Annual report pursuant to Section 13 and 15(d)

Acquisitions (Fair Value of Assets Identified and Liabilities Assumed) (Details)

v3.6.0.2
Acquisitions (Fair Value of Assets Identified and Liabilities Assumed) (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Jul. 04, 2015
Jan. 03, 2015
Nov. 21, 2014
Business Acquisition [Line Items]          
Goodwill $ 1,354,730 $ 1,354,730   $ 23,250,201  
Specialty Pipe And Tube, Inc. [Member]          
Business Acquisition [Line Items]          
Cash and cash equivalents         $ 12,960
Accounts receivable, net         2,827,251
Inventories, net         15,524,772
Net fixed assets         2,950,492
Goodwill   $ 0 $ 1,260,000   5,993,705
Intangible asset - customer base         11,457,000
Contingent consideration         (4,773,620)
Other liabilities assumed         (2,502,127)
Total net assets acquired         31,490,433
Specialty Pipe And Tube, Inc. [Member] | Recorded by Acquiree [Member]          
Business Acquisition [Line Items]          
Cash and cash equivalents         12,960
Accounts receivable, net         2,827,251
Inventories, net         17,041,660
Net fixed assets         3,018,416
Goodwill         0
Intangible asset - customer base         0
Contingent consideration         0
Other liabilities assumed         (2,502,127)
Total net assets acquired         20,398,160
Specialty Pipe And Tube, Inc. [Member] | Purchase Accounting and Fair Value Adjustments [Member]          
Business Acquisition [Line Items]          
Cash and cash equivalents         0
Accounts receivable, net         0
Inventories, net         (1,516,888)
Net fixed assets         (67,924)
Goodwill         5,993,705
Intangible asset - customer base         11,457,000
Contingent consideration         (4,773,620)
Other liabilities assumed         0
Total net assets acquired         $ 11,092,273