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Industry Segments (Segment Information) (Details) - USD ($) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2016 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Oct. 03, 2015 | Jul. 04, 2015 | Apr. 04, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Jan. 03, 2015
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 33,050,000 | $ 34,297,000 | $ 34,907,000 | $ 36,312,000 | $ 35,566,000 | $ 38,083,000 | $ 50,163,000 | $ 51,648,000 | $ 138,565,782 | $ 175,460,438 | $ 199,504,628
Operating (loss) income |  |  |  |  |  |  |  |  |  | (2,407,000) | (7,425,000) | 19,641,000
Goodwill impairment |  |  |  |  |  |  |  |  |  | 0 | (17,158,249) | 0
Business interruption proceeds |  |  |  |  |  |  |  |  |  | 0 | 1,246,024 | 0
Loss on sale-leaseback |  |  |  |  |  |  |  |  |  | 2,294,917 | (18,277) | 26,800
Operating (loss) income |  |  |  |  |  |  |  |  |  | (8,246,398) | (13,031,199) | 16,098,329
Acquisition related costs |  |  |  |  |  |  |  |  |  | 106,227 | 499,761 | 301,715
Interest expense |  |  |  |  |  |  |  |  |  | 932,572 | 1,352,806 | 1,150,940
Change in fair value of interest rate swap |  |  |  |  |  |  |  |  |  | 12,997 | 41,580 | 425,543
Specialty and Palmer earn-out adjustments |  |  |  |  |  |  |  |  |  | 0 | (4,897,448) | (3,476,197)
Casualty insurance gain |  |  |  |  |  |  |  |  |  | 0 | (923,470) | 0
Other income, net |  |  |  |  |  |  |  |  |  | 0 | (134,389) | (6,744)
(Loss) income before income taxes |  |  |  |  |  |  |  |  |  | (9,191,967) | (8,470,278) | 18,004,787
Identifiable assets |  | 138,638,063 |  |  |  | 149,043,490 |  |  |  | 138,638,063 | 149,043,490 |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 6,695,000 | 6,634,000 | 5,132,000
Capital expenditures |  |  |  |  |  |  |  |  |  | 3,044,000 | 10,905,000 | 8,066,000
Metals Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 90,215,000 | 114,908,000 | 134,304,000
Operating (loss) income |  |  |  |  |  |  |  |  |  | (4,821,000) | 2,822,000 | 13,511,000
Goodwill impairment |  |  |  |  |  |  |  |  |  | 0 | (17,158,249) | 0
Business interruption proceeds |  |  |  |  |  |  |  |  |  | 0 | 1,246,000 | 0
Identifiable assets |  | 109,689,000 |  |  |  | 112,749,000 |  |  |  | 109,689,000 | 112,749,000 |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 5,133,000 | 5,173,000 | 4,078,000
Capital expenditures |  |  |  |  |  |  |  |  |  | 2,201,000 | 7,399,000 | 3,123,000
Specialty Chemicals Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 48,351,000 | 60,552,000 | 65,201,000
Operating (loss) income |  |  |  |  |  |  |  |  |  | 4,888,000 | 5,665,000 | 6,130,000
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0 |
Identifiable assets |  | 22,908,000 |  |  |  | 33,391,000 |  |  |  | 22,908,000 | 33,391,000 |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 1,449,000 | 1,376,000 | 974,000
Capital expenditures |  |  |  |  |  |  |  |  |  | 476,000 | 3,439,000 | 4,913,000
Corporate [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Less unallocated corporate expenses |  |  |  |  |  |  |  |  |  | 5,733,000 | 5,106,000 | 3,241,000
Operating (loss) income |  |  |  |  |  |  |  |  |  | (8,246,000) | (13,031,000) | 16,098,000
Acquisition related costs |  |  |  |  |  |  |  |  |  | 106,000 | 500,000 | 302,000
Interest expense |  |  |  |  |  |  |  |  |  | 933,000 | 1,353,000 | 1,151,000
Change in fair value of interest rate swap |  |  |  |  |  |  |  |  |  | 13,000 | 42,000 | 426,000
Specialty and Palmer earn-out adjustments |  |  |  |  |  |  |  |  |  | 0 | (4,897,000) | (3,476,000)
Casualty insurance gain |  |  |  |  |  |  |  |  |  | 0 | (923,000) | 0
Other income, net |  |  |  |  |  |  |  |  |  | 0 | (136,000) | (8,000)
(Loss) income before income taxes |  |  |  |  |  |  |  |  |  | (9,192,000) | (8,470,000) | 18,005,000
Identifiable assets |  | 6,041,000 |  |  |  | $ 2,903,000 |  |  |  | 6,041,000 | 2,903,000 |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 113,000 | 85,000 | 80,000
Capital expenditures |  |  |  |  |  |  |  |  |  | 367,000 | 67,000 | 30,000
United States [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 132,313,000 | 167,185,000 | 191,032,000
Elsewhere [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 6,253,000 | 8,275,000 | 8,473,000
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 138,566,000 | 175,460,000 | 199,505,000
Specialty Chemicals - Product Group [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 48,351,000 | 60,552,000 | 65,201,000
Stainless Steel Pipe - Product Group [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 56,066,000 | 77,850,000 | 101,035,000
Seamless Carbon Steel Pipe and Tube - Product Group [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 14,913,000 | 18,013,000 | 2,524,000
Liquid Storage Tanks and Separation Equipment - Product Group [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 19,236,000 | 19,045,000 | 30,745,000
Sale-leaseback Transaction [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss on sale-leaseback | $ (2,455,347) | $ 82,000 |  |  |  |  |  |  |  | 2,371,778 | 0 | 0
Sale-leaseback Transaction [Member] | Metals Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss on sale-leaseback |  |  |  |  |  |  |  |  |  | (2,166,000) | 0 | 0
Sale-leaseback Transaction [Member] | Chemical Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss on sale-leaseback |  |  |  |  |  |  |  |  |  | $ (206,000) | $ 0 | $ 0

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