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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

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