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Note 14 - Activity of Business Segments (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Years Ended December 31, |
|  | 2024 |  |  | 2023 |
Building Supply |  | $ | 35,965,000 |  |  | $ | 40,396,000 |
Disposable Protective Apparel |  |  | 21,875,000 |  |  |  | 20,836,000 |
Consolidated net sales |  | $ | 57,840,000 |  |  | $ | 61,232,000 |
Reconciliation of Revenue from Segments to Consolidated [Table Text Block] |
|  | Years Ended December 31, |
|  | 2024 |  |  | 2023 |
Building Supply |  | $ | 5,746,000 |  |  | $ | 5,703,000 |
Disposable Protective Apparel |  |  | 4,481,000 |  |  |  | 4,385,000 |
Total segment income |  |  | 10,227,000 |  |  |  | 10,088,000 |
Unallocated corporate overhead expenses |  |  | 5,207,000 |  |  |  | 4,663,000 |
Provision for income taxes |  |  | 1,091,000 |  |  |  | 1,236,000 |
Consolidated net income |  | $ | 3,929,000 |  |  | $ | 4,189,000 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|  | Years Ended December 31, |
|  | 2024 |  |  | 2023 |
Net sales by geographic region |  |  |  |  |  |  |  |
United States |  | $ | 57,211,000 |  |  | $ | 60,882,000 |
International |  |  | 629,000 |  |  |  | 350,000 |
Consolidated net sales |  | $ | 57,840,000 |  |  | $ | 61,232,000 |
|  | As of December 31, |
|  | 2024 |  |  | 2023 |
Long-lived assets, net by geographic region |  |  |  |  |  |  |  |
United States |  | $ | 7,325,000 |  |  | $ | 4,340,000 |
International |  |  | 1,195,000 |  |  |  | 1,247,000 |
Consolidated total long-lived assets, net |  | $ | 8,520,000 |  |  | $ | 5,587,000 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
|  | As of December 31, |
|  | 2024 |  |  | 2023 |
Building Supply |  | $ | 6,069,000 |  |  | $ | 3,389,000 |
Disposable Protective Apparel |  |  | 1,424,000 |  |  |  | 1,213,000 |
Total segment assets |  |  | 7,493,000 |  |  |  | 4,602,000 |
Unallocated corporate assets |  |  | 1,082,000 |  |  |  | 1,040,000 |
Total consolidated assets |  | $ | 8,575,000 |  |  | $ | 5,642,000 |

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