Annual report [Section 13 and 15(d), not S-K Item 405]

Industry Segments - Summarizes Certain Information (Details)

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Industry Segments - Summarizes Certain Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Net sales   $ 177,872 $ 193,179
Cost of goods sold - material   94,187 113,637
Cost of goods sold - other   61,571 78,016
Gross profit   22,114 1,526
Selling, general and administrative expense   26,586 26,712
Goodwill impairment $ 11,400 0 11,389
Interest expense, net   418 4,238
Income taxes   6,159 (6,924)
Other expense (income)   176 262
Loss from continuing operations   (11,225) (34,151)
Identifiable assets   147,204 162,434
Capital expenditures   1,892 2,885
United States      
Segment Reporting Information [Line Items]      
Net sales   170,829 188,241
International      
Segment Reporting Information [Line Items]      
Net sales   7,043 4,938
Corporate & Other      
Segment Reporting Information [Line Items]      
Net sales   0 50
Cost of goods sold - material   0 (63)
Cost of goods sold - other   498 723
Gross profit   (498) (610)
Selling, general and administrative expense   8,297 12,209
Goodwill impairment     0
Interest expense, net   342 4,163
Income taxes   6,159 (6,924)
Other expense (income)   (329) 263
Loss from continuing operations   (14,967) (10,321)
Identifiable assets   46,296 42,339
Capital expenditures   (61) 262
Corporate & Other | United States      
Segment Reporting Information [Line Items]      
Net sales   0 50
Corporate & Other | International      
Segment Reporting Information [Line Items]      
Net sales   0 0
Specialty chemicals | Operating Segments      
Segment Reporting Information [Line Items]      
Net sales   80,764 83,616
Cost of goods sold - material   40,903 46,377
Cost of goods sold - other   28,671 31,429
Gross profit   11,190 5,810
Selling, general and administrative expense   9,546 6,966
Goodwill impairment     11,389
Interest expense, net   75 74
Income taxes   0 0
Other expense (income)   476 0
Loss from continuing operations   1,093 (12,619)
Identifiable assets   38,928 49,547
Capital expenditures   1,180 1,519
Specialty chemicals | Operating Segments | United States      
Segment Reporting Information [Line Items]      
Net sales   75,565 79,498
Specialty chemicals | Operating Segments | International      
Segment Reporting Information [Line Items]      
Net sales   5,199 4,118
Tubular Products | Operating Segments      
Segment Reporting Information [Line Items]      
Net sales   97,108 109,513
Cost of goods sold - material   53,284 67,323
Cost of goods sold - other   32,402 45,864
Gross profit   11,422 (3,674)
Selling, general and administrative expense   8,743 7,537
Goodwill impairment     0
Interest expense, net   1 1
Income taxes   0 0
Other expense (income)   29 (1)
Loss from continuing operations   2,649 (11,211)
Identifiable assets   61,980 70,548
Capital expenditures   773 1,104
Tubular Products | Operating Segments | United States      
Segment Reporting Information [Line Items]      
Net sales   95,264 108,693
Tubular Products | Operating Segments | International      
Segment Reporting Information [Line Items]      
Net sales   $ 1,844 $ 820