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Income Taxes (Narrative) (Details) (USD $)
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12 Months Ended | ||
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Jan. 03, 2015
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Dec. 28, 2013
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Dec. 29, 2012
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| Income Tax Disclosures [Line Items] | |||
| Income tax payments | $ 2,091,000us-gaap_IncomeTaxesPaid | $ 2,445,000us-gaap_IncomeTaxesPaid | $ 1,991,000us-gaap_IncomeTaxesPaid |
| State Jurisdiction [Member] | |||
| Income Tax Disclosures [Line Items] | |||
| Net operating loss carryforwards |
50,774,000us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
45,503,000us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
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| Portion of NOL subject to valuation allowance |
45,965,000synl_PortionOfNetOperatingLossSubjectToValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
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| Valuation allowance for net operating loss carrryforwards |
1,570,000us-gaap_OperatingLossCarryforwardsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
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| Operating Loss Carryforwards [Member] | State Jurisdiction [Member] | |||
| Income Tax Disclosures [Line Items] | |||
| Increase in valuation allowance during the period |
$ 178,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember / us-gaap_ValuationAllowanceByDeferredTaxAssetAxis = us-gaap_ValuationAllowanceOperatingLossCarryforwardsMember |
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| X | ||||||||||
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- Details
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- Definition
Portion Of Net Operating Loss Subject To Valuation Allowance No definition available.
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- Definition
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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