v3.25.4
Note 14 - Activity of Business Segments - Consolidated Net Sale (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Net sales $ 59,142,000 $ 57,840,000
Cost of goods sold, excluding depreciation and amortization 36,605,000 34,907,000
Selling, general and administrative 17,773,000 18,611,000
Depreciation and amortization 925,000 873,000
Other income 830,000 1,571,000
Net income 3,531,000 3,929,000
Operating Segments [Member]    
Net income 9,644,000 10,227,000
Operating Segments [Member] | Building Supply [Member]    
Net sales 36,031,000 35,965,000
Cost of goods sold, excluding depreciation and amortization 23,179,000 22,902,000
Selling, general and administrative 6,830,000 7,191,000
Depreciation and amortization 711,000 661,000
Other income (155,000) (535,000)
Net income 5,466,000 5,746,000
Operating Segments [Member] | Disposable Protective Apparel [Member]    
Net sales 23,111,000 21,875,000
Cost of goods sold, excluding depreciation and amortization 13,426,000 12,005,000
Selling, general and administrative 5,422,000 5,375,000
Depreciation and amortization 112,000 108,000
Other income (27,000) (94,000)
Net income $ 4,178,000 $ 4,481,000