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Industry Segments | 9 Months Ended
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Sep. 30, 2025
Segment Reporting [Abstract] |
Industry Segments | Industry Segments Ascent Industries Co. has one reportable segment: Specialty Chemicals. The Specialty Chemicals segment includes the operating results of the Company’s plants involved in the production of specialty chemicals and produces critical ingredients and process aids for the oil & gas, household, industrial and institutional ("HII"), personal care, coatings, adhesives, sealants and elastomers (CASE), pulp and paper, textile, automotive, agricultural, water treatment, construction and other industries. The chief executive officer, who is also the chief operating decision maker (CODM), evaluates performance and determines resource allocations based on a number of factors, the primary measures being gross margin and segment net income (loss). The accounting principles applied at the operating segment level are the same as those applied at the consolidated financial statement level. The significant expense categories and amounts below align with the segment-level information that is regularly provided to the CODM. Intersegment sales and transfers are eliminated at the corporate consolidation level. The following table summarizes certain information regarding segments of the Company's continuing operations:
|  | Three Months Ended September 30, 2025 |  | Nine Months Ended September 30, 2025
(in thousands) |  | Specialty Chemicals |  | Corporate & Other 1 |  | Total Continuing Operations |  | Specialty Chemicals |  | Corporate & Other 1 |  | Total Continuing Operations
Net sales |  | $ | 19,697 |  |  | $ | — |  |  | $ | 19,697 |  |  | $ | 56,183 |  |  | $ | — |  |  | $ | 56,183 |
Cost of goods sold - material |  | 8,173 |  |  | — |  |  | 8,173 |  |  | 25,351 |  |  | — |  |  | 25,351 |
Cost of goods sold - other 2 |  | 5,683 |  |  | — |  |  | 5,683 |  |  | 17,059 |  |  | — |  |  | 17,059 |
Gross profit |  | 5,841 |  |  | — |  |  | 5,841 |  |  | 13,773 |  |  | — |  |  | 13,773 |
Selling, general and administrative expense 3 |  | 3,696 |  |  | 2,557 |  |  | 6,253 |  |  | 9,267 |  |  | 8,300 |  |  | 17,567 |
Acquisition costs and other |  | — |  |  | 398 |  |  | 398 |  |  | 92 |  |  | 573 |  |  | 665 |
Asset impairments |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,622 |  |  | 1,622 |
Gain on lease modification |  | — |  |  | — |  |  | — |  |  | — |  |  | (544) |  |  | (544) |
Interest expense (income), net |  | 7 |  |  | (454) |  |  | (447) |  |  | 38 |  |  | (385) |  |  | (347) |
Income taxes |  | — |  |  | 58 |  |  | 58 |  |  | — |  |  | (32) |  |  | (32) |
Other expense (income) |  | — |  |  | (296) |  |  | (296) |  |  | — |  |  | (581) |  |  | (581) |
Net income (loss) |  | $ | 2,138 |  |  | $ | (2,263) |  |  | $ | (125) |  |  | $ | 4,376 |  |  | $ | (8,953) |  |  | $ | (4,577) |
|  | Three Months Ended September 30, 2024 |  | Nine Months Ended September 30, 2024
(in thousands) |  | Specialty Chemicals |  | Corporate & Other 1 |  | Total Continuing Operations |  | Specialty Chemicals |  | Corporate & Other 1 |  | Total Continuing Operations
Net sales |  | $ | 20,878 |  |  | $ | — |  |  | $ | 20,878 |  |  | $ | 62,642 |  |  | $ | — |  |  | $ | 62,642 |
Cost of goods sold - material |  | 10,657 |  |  | — |  |  | 10,657 |  |  | 32,387 |  |  | — |  |  | 32,387 |
Cost of goods sold - other 2 |  | 7,088 |  |  | 125 |  |  | 7,213 |  |  | 22,653 |  |  | 395 |  |  | 23,048 |
Gross profit |  | 3,133 |  |  | (125) |  |  | 3,008 |  |  | 7,602 |  |  | (395) |  |  | 7,207 |
Selling, general and administrative expense 3 |  | 2,747 |  |  | 2,287 |  |  | 5,034 |  |  | 8,226 |  |  | 7,292 |  |  | 15,518 |
Acquisition costs and other |  | — |  |  | 2 |  |  | 2 |  |  | — |  |  | 54 |  |  | 54 |
Gain on lease modification |  | — |  |  | (67) |  |  | (67) |  |  | — |  |  | (67) |  |  | (67) |
Interest expense, net |  | 19 |  |  | 105 |  |  | 124 |  |  | 57 |  |  | 266 |  |  | 323 |
Income taxes |  | — |  |  | 5,807 |  |  | 5,807 |  |  | — |  |  | 4,413 |  |  | 4,413 |
Other expense (income) |  | — |  |  | (91) |  |  | (91) |  |  | — |  |  | (303) |  |  | (303) |
Net income (loss) |  | $ | 367 |  |  | $ | (8,168) |  |  | $ | (7,801) |  |  | $ | (681) |  |  | $ | (12,050) |  |  | $ | (12,731) |
| As of
(in thousands) | September 30, 2025 |  | December 31, 2024
Identifiable assets |  |  |
Specialty Chemicals | $ | 39,130 |  |  | $ | 38,928 |
Corporate and other | 80,759 |  |  | 46,298 |
| $ | 119,889 |  |  | $ | 85,226 |
1 All Other includes corporate overhead expenses and ongoing expenses for properties under the Master Lease not assigned to a segment in which the Company is the responsible party. 2 Cost of good sold - other includes manufacturing labor and overhead expenses, depreciation expense, repair and maintenance expense, shipping expense, scrap and shrinkage expense, and other operational manufacturing overhead expenses. 3 Selling, general and administrative expenses include sales and administrative salaries, wages and benefits and overhead expenses, professional fees, depreciation and amortization expense, corporate overhead allocation expense and other administrative overhead expenses.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-21 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name 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