Annual report pursuant to Section 13 and 15(d)

Acquisitions (Textual) (Details)

v3.3.1.900
Acquisitions (Textual) (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Nov. 21, 2014
USD ($)
Aug. 26, 2013
USD ($)
Aug. 09, 2013
USD ($)
Oct. 03, 2015
USD ($)
Jul. 04, 2015
USD ($)
Dec. 31, 2015
USD ($)
Aug. 21, 2015
USD ($)
Jan. 03, 2015
USD ($)
employees
Aug. 21, 2014
USD ($)
Dec. 28, 2013
USD ($)
Business Acquisition [Line Items]                    
Goodwill           $ 1,354,730   $ 23,250,201   $ 17,252,678
Intangible asset depreciation period (years) 10 years                  
Acquisition costs           (10,269,278)   $ 12,618,787   2,898,048
Employees added during acquisition (employees) | employees               30    
Earn-out liability           0   $ 7,256,387   5,862,031
Specialty Pipe And Tube, Inc. [Member]                    
Business Acquisition [Line Items]                    
Goodwill, Purchase Accounting Adjustments           2,419,035        
Goodwill $ 5,993,705       $ 1,260,000 $ 0        
Purchase Price 31,490,433                  
Contingent consideration payment, upper limit $ 5,000,000                  
Contingent consideration earn-out period (years) 2 years         2 years        
Revenue threshold for earn-out $ 27,000,000                  
Earn-out percentage threshold 2,000,000                  
Earn-out multiplier threshold 2,500,000                  
Single earn-out limit 2,500,000                  
Cumulative revenue threshold for earn-out 58,000,000                  
Cumulative revenue threshold for earn-out calculation 54,000,000                  
Cumulative earn-out percentage threshold 4,000,000                  
Cumulative earn-out multiplier threshold 5,000,000                  
Estimated earn out payments, discounted 4,774,000                  
Intangible assets $ 11,457,000                  
Revenues               2,524,000    
Income before income taxes               493,000    
Change in fair value of contingent consideration liability associated with the Palmer acquisition       $ 2,414,000   $ (2,414,115)        
CRI Facility [Member]                    
Business Acquisition [Line Items]                    
Purchase Price     $ 3,450,000              
Revenues                   1,824,000
Income before income taxes                   144,000
CRI Tolling [Member]                    
Business Acquisition [Line Items]                    
Purchase Price   $ 1,100,000                
Palmer of Texas [Member]                    
Business Acquisition [Line Items]                    
Contingent consideration earn-out period (years)           3 years        
Change in fair value of contingent consideration liability associated with the Palmer acquisition           $ (2,483,333)   (3,476,197)    
Year 2 [Member] | Palmer of Texas [Member]                    
Business Acquisition [Line Items]                    
Contingent consideration payment, lower limit                 $ 2,500,000  
EBITDA threshold target                 $ 5,825,000  
Year 3 [Member] | Palmer of Texas [Member]                    
Business Acquisition [Line Items]                    
EBITDA threshold, upper range for earn out payment             $ 6,825,000      
EBITDA threshold target             $ 5,825,000      
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]                    
Business Acquisition [Line Items]                    
Change in fair value of contingent consideration liability associated with the Palmer acquisition               (3,476,000)    
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Specialty Pipe And Tube, Inc. [Member]                    
Business Acquisition [Line Items]                    
Change in fair value of contingent consideration liability associated with the Palmer acquisition         $ 2,419,000 2,414,115        
Earn-out liability       $ 0   0        
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Palmer of Texas [Member]                    
Business Acquisition [Line Items]                    
Change in fair value of contingent consideration liability associated with the Palmer acquisition           (2,483,333)        
Earn-out liability           0        
Contingent Consideration [Member] | Specialty Pipe And Tube, Inc. [Member]                    
Business Acquisition [Line Items]                    
Fair Value Inputs, Discount Rate 3.00%                  
Specialty inventory adjustment                    
Business Acquisition [Line Items]                    
Goodwill, Purchase Accounting Adjustments           2,318,187        
Acquisition-related Costs [Member]                    
Business Acquisition [Line Items]                    
Goodwill, Purchase Accounting Adjustments           $ 2,419,035        
Acquisition-related Costs [Member] | Specialty Pipe And Tube, Inc. [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs               302,000    
Acquisition-related Costs [Member] | CRI Tolling [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs                   255,000
Professional Audit Fees [Member] | Specialty Pipe And Tube, Inc. [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs               92,000    
Professional Audit Fees [Member] | CRI Tolling [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs                   113,000
Bank and Swap Agreement Fees [Member] | CRI Tolling [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs                   70,000
Legal Fees [Member] | Specialty Pipe And Tube, Inc. [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs               83,000    
Legal Fees [Member] | CRI Tolling [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs                   53,000
Consultant Fees [Member] | Specialty Pipe And Tube, Inc. [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs               65,000    
Travel Costs [Member] | Specialty Pipe And Tube, Inc. [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs               $ 62,000    
Other Expense [Member] | CRI Tolling [Member]                    
Business Acquisition [Line Items]                    
Acquisition costs                   $ 19,000