Annual report pursuant to Section 13 and 15(d)

Industry Segments (Segment Information) (Details)

v3.8.0.1
Industry Segments (Segment Information) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Sep. 30, 2016
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Segment Reporting Information [Line Items]                        
Net sales   $ 52,837,134 $ 54,595,924 $ 51,511,045 $ 42,203,579 $ 33,049,871 $ 34,297,231 $ 34,906,668 $ 36,312,012 $ 201,147,682 $ 138,565,782 $ 175,460,438
Operating income (loss)                   10,054,473 (2,305,009) (7,425,503)
Unallocated straight line lease cost                   397,071 101,633 0
Goodwill impairment                   0 0 (17,158,249)
Business interruption proceeds                   0 0 1,246,024
Loss on sale-leaseback                   (25,730) (2,294,917) 18,277
Operating income (loss)                   2,745,651 (8,246,398) (13,031,199)
Acquisition related costs                   794,983 106,227 499,761
Interest expense                   985,366 932,572 1,352,806
Change in fair value of interest rate swap                   (96,696) 12,997 41,580
Earn-out adjustment                   688,523 0 (4,897,448)
Casualty insurance gain                   0 0 (923,470)
Other income, net                   (310,043) 0 (134,389)
Income (loss) before income taxes                   1,478,501 (9,191,967) (8,470,278)
Identifiable assets   159,874,150       138,638,063       159,874,150 138,638,063  
Depreciation and amortization                   7,737,812 6,694,990 6,634,391
Capital expenditures                   5,278,608 3,044,411 10,905,230
Metals Segment [Member]                        
Segment Reporting Information [Line Items]                        
Net sales                   152,957,195 90,214,537 114,908,258
Operating income (loss)                   5,424,624 (4,820,374) 2,821,879
Goodwill impairment                   0 0 (17,158,249)
Business interruption proceeds                   0 0 1,246,024
Identifiable assets   130,456,857       109,689,477       130,456,857 109,689,477  
Depreciation and amortization                   6,280,681 5,132,506 5,172,251
Capital expenditures                   3,405,552 2,198,535 7,398,517
Specialty Chemicals Segment [Member]                        
Segment Reporting Information [Line Items]                        
Net sales                   48,190,487 48,351,245 60,552,180
Operating income (loss)                   4,295,576 4,887,143 5,664,843
Identifiable assets   25,394,078       22,907,672       25,394,078 22,907,672  
Depreciation and amortization                   1,302,579 1,449,437 1,376,167
Capital expenditures                   1,649,967 475,703 3,439,260
Corporate [Member]                        
Segment Reporting Information [Line Items]                        
Unallocated corporate expenses                   6,116,768 5,733,529 5,105,935
Operating income (loss)                   2,745,651 (8,246,398) (13,031,199)
Acquisition related costs                   794,983 106,227 499,761
Interest expense                   985,366 932,572 1,352,806
Change in fair value of interest rate swap                   (96,696) 12,997 41,580
Earn-out adjustment                   688,523 0 (4,897,448)
Casualty insurance gain                   0 0 (923,470)
Other income, net                   (310,043) 0 (134,389)
Income (loss) before income taxes                   1,478,501 (9,191,967) (8,470,278)
Identifiable assets   $ 4,023,215       6,040,914       4,023,215 6,040,914  
Depreciation and amortization                   154,552 113,047 85,973
Capital expenditures                   223,089 370,173 67,453
United States [Member]                        
Segment Reporting Information [Line Items]                        
Net sales                   196,172,279 132,313,157 167,185,319
Elsewhere [Member]                        
Segment Reporting Information [Line Items]                        
Net sales                   4,975,403 6,252,625 8,275,119
Operating Segments [Member]                        
Segment Reporting Information [Line Items]                        
Net sales                   201,147,682 138,565,782 175,460,438
Specialty Chemicals - Product Group [Member]                        
Segment Reporting Information [Line Items]                        
Net sales                   48,190,487 48,351,245 60,552,180
Stainless Steel Pipe - Product Group [Member]                        
Segment Reporting Information [Line Items]                        
Net sales                   100,523,823 56,065,642 77,849,443
Seamless Carbon Steel Pipe and Tube - Product Group [Member]                        
Segment Reporting Information [Line Items]                        
Net sales                   25,103,641 14,913,133 18,013,326
Liquid Storage Tanks and Separation Equipment - Product Group [Member]                        
Segment Reporting Information [Line Items]                        
Net sales                   27,599,731 19,235,762 19,045,489
Sale-leaseback Transaction [Member]                        
Segment Reporting Information [Line Items]                        
Loss on sale-leaseback $ 2,455,347         $ (83,568) $ 2,455,347     334,273 (2,371,778) 0
Sale-leaseback Transaction [Member] | Metals Segment [Member]                        
Segment Reporting Information [Line Items]                        
Loss on sale-leaseback                   (239,604) 2,166,136 0
Sale-leaseback Transaction [Member] | Chemical Segment [Member]                        
Segment Reporting Information [Line Items]                        
Loss on sale-leaseback                   $ 94,669 $ (205,642) $ 0