Note 14 - Activity of Business Segments (Tables)

12 Months Ended

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