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Note 15 - Activity of Business Segments (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Years Ended December 31, |
|  | 2023 |  |  | 2022 |
Building Supply |  | $ | 40,396,000 |  |  | $ | 36,937,000 |
Disposable Protective Apparel |  |  | 20,836,000 |  |  |  | 25,044,000 |
Consolidated net sales |  | $ | 61,232,000 |  |  | $ | 61,981,000 |
Reconciliation of Revenue from Segments to Consolidated [Table Text Block] |
|  | Years Ended December 31, |
|  | 2023 |  |  | 2022 |
Building Supply |  | $ | 5,703,000 |  |  | $ | 5,359,000 |
Disposable Protective Apparel |  |  | 4,385,000 |  |  |  | 4,010,000 |
Total segment income |  |  | 10,088,000 |  |  |  | 9,369,000 |
Unallocated corporate overhead expenses |  |  | 4,663,000 |  |  |  | 4,974,000 |
Provision for income taxes |  |  | 1,236,000 |  |  |  | 1,113,000 |
Consolidated net income |  | $ | 4,189,000 |  |  | $ | 3,282,000 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|  | Years Ended December 31, |
|  | 2023 |  |  | 2022 |
Net sales by geographic region |  |  |  |  |  |  |  |
United States |  | $ | 60,882,000 |  |  | $ | 60,489,000 |
International |  |  | 350,000 |  |  |  | 1,492,000 |
Consolidated net sales |  | $ | 61,232,000 |  |  | $ | 61,981,000 |
|  | As of December 31, |
|  | 2023 |  |  | 2022 |
Long-lived assets, net by geographic region |  |  |  |  |  |  |  |
United States |  | $ | 4,340,000 |  |  | $ | 4,380,000 |
International |  |  | 1,247,000 |  |  |  | 1,362,000 |
Consolidated total long-lived assets, net |  | $ | 5,587,000 |  |  | $ | 5,742,000 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
|  | As of December 31, |
|  | 2023 |  |  | 2022 |
Building Supply |  | $ | 3,389,000 |  |  | $ | 3,395,000 |
Disposable Protective Apparel |  |  | 1,213,000 |  |  |  | 1,327,000 |
Total segment assets |  |  | 4,602,000 |  |  |  | 4,722,000 |
Unallocated corporate assets |  |  | 1,040,000 |  |  |  | 1,076,000 |
Total consolidated assets |  | $ | 5,642,000 |  |  | $ | 5,798,000 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-25 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 + Details
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