| Schedule of Segment Information | 
 The following table summarizes certain information regarding segments of the Company's operations: 
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| (in thousands) | 
2020 | 
 | 
2019 | 
 | 
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| Net sales  | 
  | 
 | 
  | 
 | 
 | 
 
| Metals Segment | 
$ | 
204,459  | 
 | 
 | 
$ | 
251,078  | 
 | 
 | 
 | 
 
| Specialty Chemicals Segment | 
51,541  | 
 | 
 | 
54,090  | 
 | 
 | 
 | 
 
|   | 
$ | 
256,000  | 
 | 
 | 
$ | 
305,168  | 
 | 
 | 
 | 
 
| Operating (loss) income | 
  | 
 | 
  | 
 | 
 | 
 
| Metals Segment | 
$ | 
(24,599) | 
 | 
 | 
$ | 
3,692  | 
 | 
 | 
 | 
 
 | 
 | 
 | 
 | 
 | 
 | 
 
 | 
 | 
 | 
 | 
 | 
 | 
 
 | 
 | 
 | 
 | 
 | 
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 | 
 | 
 | 
 | 
 | 
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| Specialty Chemicals Segment | 
4,033  | 
 | 
 | 
2,811  | 
 | 
 | 
 | 
 
 | 
 | 
 | 
 | 
 | 
 | 
 
 | 
 | 
 | 
 | 
 | 
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|   | 
(20,566) | 
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 | 
6,503  | 
 | 
 | 
 | 
 
 | 
 | 
 | 
 | 
 | 
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| Unallocated corporate expenses | 
7,917  | 
 | 
 | 
8,357  | 
 | 
 | 
 | 
 
| Acquisition related costs | 
845  | 
 | 
 | 
601  | 
 | 
 | 
 | 
 
| Proxy contest costs | 
3,105  | 
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 | 
—  | 
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 | 
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| Earn-out adjustments | 
(1,195) | 
 | 
 | 
(747) | 
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 | 
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| Gain on lease modification | 
(171) | 
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 | 
—  | 
 | 
 | 
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| Operating loss | 
(31,067) | 
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 | 
(1,708) | 
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 | 
 | 
 
| Interest expense | 
2,110  | 
 | 
 | 
3,818  | 
 | 
 | 
 | 
 
| Change in fair value of interest rate swap | 
51  | 
 | 
 | 
141  | 
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 | 
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 | 
 | 
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| Other income, net | 
(1,255) | 
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 | 
(1,904) | 
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| Loss before income taxes | 
$ | 
(31,973) | 
 | 
 | 
$ | 
(3,763) | 
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 | 
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| Identifiable assets | 
  | 
 | 
  | 
 | 
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| Metals Segment | 
$ | 
141,799  | 
 | 
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$ | 
186,758  | 
 | 
 | 
 | 
 
| Specialty Chemicals Segment | 
25,039  | 
 | 
 | 
25,428  | 
 | 
 | 
 | 
 
| Corporate | 
40,146  | 
 | 
 | 
45,011  | 
 | 
 | 
 | 
 
 | 
 | 
 | 
 | 
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|   | 
$ | 
206,984  | 
 | 
 | 
$ | 
257,197  | 
 | 
 | 
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| Depreciation and amortization | 
  | 
 | 
  | 
 | 
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| Metals Segment | 
$ | 
8,883  | 
 | 
 | 
$ | 
9,439  | 
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 | 
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| Specialty Chemicals Segment | 
1,552  | 
 | 
 | 
1,461  | 
 | 
 | 
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| Corporate | 
165  | 
 | 
 | 
164  | 
 | 
 | 
 | 
 
|   | 
$ | 
10,600  | 
 | 
 | 
$ | 
11,064  | 
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| Capital expenditures | 
  | 
 | 
  | 
 | 
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| Metals Segment | 
$ | 
1,761  | 
 | 
 | 
$ | 
2,812  | 
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 | 
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| Specialty Chemicals Segment | 
866  | 
 | 
 | 
1,157  | 
 | 
 | 
 | 
 
| Corporate | 
1,121  | 
 | 
 | 
568  | 
 | 
 | 
 | 
 
|   | 
$ | 
3,748  | 
 | 
 | 
$ | 
4,537  | 
 | 
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| Sales by product group | 
 | 
 | 
 | 
 | 
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| Specialty chemicals | 
$ | 
51,541  | 
 | 
 | 
$ | 
54,090  | 
 | 
 | 
 | 
 
| Stainless steel pipe and tube | 
154,974  | 
 | 
 | 
167,907  | 
 | 
 | 
 | 
 
| Heavy wall seamless carbon steel pipe and tube | 
23,670  | 
 | 
 | 
30,607  | 
 | 
 | 
 | 
 
| Fiberglass and steel liquid storage tanks and separation equipment | 
5,503  | 
 | 
 | 
28,722  | 
 | 
 | 
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| Galvanized pipe and tube | 
20,312  | 
 | 
 | 
23,842  | 
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 | 
$ | 
256,000  | 
 | 
 | 
$ | 
305,168  | 
 | 
 | 
 | 
 
| Geographic sales | 
  | 
 | 
  | 
 | 
 | 
 
| United States | 
$ | 
248,470  | 
 | 
 | 
$ | 
297,808  | 
 | 
 | 
 | 
 
| Elsewhere | 
7,530  | 
 | 
 | 
7,360  | 
 | 
 | 
 | 
 
|   | 
$ | 
256,000  | 
 | 
 | 
$ | 
305,168  | 
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 | 
 
  
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