| 
           Acquisitions (Fair Value of Assets Identified and Liabilities Assumed) (Details) (USD $)
  
         | 
        
           Jan. 03, 2015 
         | 
        
           Dec. 28, 2013 
         | 
        
           Nov. 21, 2014 
         | 
        
           Aug. 26, 2013 
         | 
        
           Aug. 09, 2013 
         | 
        
           Aug. 21, 2012 
         | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Goodwill | 
        
$ 23,250,201us-gaap_Goodwill
 | 
        
$ 17,252,678us-gaap_Goodwill
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Specialty Pipe And Tube, Inc. [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Cash and cash equivalents | 
         
 | 
         
 | 
        
12,960us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Accounts receivable, net | 
         
 | 
         
 | 
        
2,827,251us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Inventories, net | 
         
 | 
         
 | 
        
15,524,772us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Net fixed assets | 
         
 | 
         
 | 
        
2,950,492us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Goodwill | 
         
 | 
         
 | 
        
5,993,705us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Intangible asset - customer base | 
         
 | 
         
 | 
        
11,457,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Contingent consideration | 
         
 | 
         
 | 
        
(4,773,620)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Other liabilities assumed | 
         
 | 
         
 | 
        
(2,502,127)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLiabilitiesAssumed / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
        
31,490,433us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Specialty Pipe And Tube, Inc. [Member] | Recorded by Acquiree [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Cash and cash equivalents | 
         
 | 
         
 | 
        
12,960us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Accounts receivable, net | 
         
 | 
         
 | 
        
2,827,251us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Inventories, net | 
         
 | 
         
 | 
        
17,041,660us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Net fixed assets | 
         
 | 
         
 | 
        
3,018,416us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Goodwill | 
         
 | 
         
 | 
        
0us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Intangible asset - customer base | 
         
 | 
         
 | 
        
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Contingent consideration | 
         
 | 
         
 | 
        
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Other liabilities assumed | 
         
 | 
         
 | 
        
(2,502,127)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLiabilitiesAssumed / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
        
20,398,160us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Specialty Pipe And Tube, Inc. [Member] | Purchase Accounting and Fair Value Adjustments [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Cash and cash equivalents | 
         
 | 
         
 | 
        
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Accounts receivable, net | 
         
 | 
         
 | 
        
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Inventories, net | 
         
 | 
         
 | 
        
(1,516,888)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Net fixed assets | 
         
 | 
         
 | 
        
(67,924)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Goodwill | 
         
 | 
         
 | 
        
5,993,705us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Intangible asset - customer base | 
         
 | 
         
 | 
        
11,457,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Contingent consideration | 
         
 | 
         
 | 
        
(4,773,620)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Other liabilities assumed | 
         
 | 
         
 | 
        
0synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLiabilitiesAssumed / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
        
11,092,273us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_SpecialtyPipeAndTubeInc.Member / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Color Resources, LLC [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Accounts receivable, net | 
         
 | 
         
 | 
         
 | 
        
623,539us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember
 | 
         
 | 
         
 | 
      
      
        | Inventories, net | 
         
 | 
         
 | 
         
 | 
        
232,771us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember
 | 
         
 | 
         
 | 
      
      
        | Prepaid expenses | 
         
 | 
         
 | 
         
 | 
        
11,695synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsPrepaidExpenseandOtherAssets / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember
 | 
         
 | 
         
 | 
      
      
        | Building and land | 
         
 | 
         
 | 
         
 | 
        
4,100,000synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLandandBuildings / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember
 | 
         
 | 
         
 | 
      
      
        | Equipment, net | 
         
 | 
         
 | 
         
 | 
        
1,643,080synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedEquipment / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember
 | 
         
 | 
         
 | 
      
      
        | Accounts payable | 
         
 | 
         
 | 
         
 | 
        
(365,898)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAccountsPayable / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember
 | 
         
 | 
         
 | 
      
      
        | Accrued liabilities | 
         
 | 
         
 | 
         
 | 
        
(17,105)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember
 | 
         
 | 
         
 | 
      
      
        | Deferred tax liability | 
         
 | 
         
 | 
         
 | 
        
(600,750)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember
 | 
         
 | 
         
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
         
 | 
        
5,627,332us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember
 | 
         
 | 
         
 | 
      
      
        | Color Resources, LLC [Member] | Recorded by Acquiree [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Accounts receivable, net | 
         
 | 
         
 | 
         
 | 
        
623,539us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
      
      
        | Inventories, net | 
         
 | 
         
 | 
         
 | 
        
232,771us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
      
      
        | Prepaid expenses | 
         
 | 
         
 | 
         
 | 
        
11,695synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsPrepaidExpenseandOtherAssets / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
      
      
        | Equipment, net | 
         
 | 
         
 | 
         
 | 
        
614,998synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedEquipment / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
      
      
        | Accounts payable | 
         
 | 
         
 | 
         
 | 
        
(365,898)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAccountsPayable / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
      
      
        | Accrued liabilities | 
         
 | 
         
 | 
         
 | 
        
(17,105)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
         
 | 
        
1,100,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
         
 | 
         
 | 
      
      
        | Color Resources, LLC [Member] | CRI Facility [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Building and land | 
         
 | 
         
 | 
         
 | 
         
 | 
        
3,450,000synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLandandBuildings / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_CRIFacilityMember
 | 
         
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
         
 | 
         
 | 
        
3,450,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_CRIFacilityMember
 | 
         
 | 
      
      
        | Color Resources, LLC [Member] | Purchase Accounting and Fair Value Adjustments [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Building and land | 
         
 | 
         
 | 
         
 | 
        
650,000synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLandandBuildings / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
      
      
        | Equipment, net | 
         
 | 
         
 | 
         
 | 
        
1,028,082synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedEquipment / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
      
      
        | Deferred tax liability | 
         
 | 
         
 | 
         
 | 
        
(600,750)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
         
 | 
        
1,077,332us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_ColorResourcesLLCMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
         
 | 
         
 | 
      
      
        | Palmer of Texas [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Cash and cash equivalents | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
1,389,054us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Accounts receivable, net | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
4,969,030us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Inventories, net | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
5,678,368us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Prepaid expenses | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
1,611,804synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsPrepaidExpenseandOtherAssets / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Net fixed assets | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
7,491,062us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Goodwill | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
15,897,948us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Intangible asset - customer base | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
9,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Contingent consideration | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
(8,152,031)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Other liabilities assumed | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
(9,990,026)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLiabilitiesAssumed / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
27,895,209us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember
 | 
      
      
        | Palmer of Texas [Member] | Recorded by Acquiree [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Cash and cash equivalents | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
1,389,054us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Accounts receivable, net | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
4,969,030us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Inventories, net | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
5,678,368us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Prepaid expenses | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
75,804synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsPrepaidExpenseandOtherAssets / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Net fixed assets | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
4,799,692us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Goodwill | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
0us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Intangible asset - customer base | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Contingent consideration | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Other liabilities assumed | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
(6,833,315)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLiabilitiesAssumed / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
10,078,633us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_RecordedByAcquireeMember
 | 
      
      
        | Palmer of Texas [Member] | Purchase Accounting and Fair Value Adjustments [Member] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Business Acquisition [Line Items] | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
      
      
        | Cash and cash equivalents | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
      
      
        | Accounts receivable, net | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
      
      
        | Inventories, net | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
      
      
        | Prepaid expenses | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
1,536,000synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsPrepaidExpenseandOtherAssets / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
      
      
        | Net fixed assets | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
2,691,370us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
      
      
        | Goodwill | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
15,897,948us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
      
      
        | Intangible asset - customer base | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
9,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
      
      
        | Contingent consideration | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
(8,152,031)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
      
      
        | Other liabilities assumed | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
(3,156,711)synl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLiabilitiesAssumed / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 | 
      
      
        | Total net assets acquired | 
         
 | 
         
 | 
         
 | 
         
 | 
         
 | 
        
$ 17,816,576us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = synl_PalmerOfTexasMember / synl_BusinessAcquisitionFairValueOfAssetsAndLiabilitiesAxis = synl_PurchaseAccountingAndFairValueAdjustmentsMember
 |