Note 13 - Activity of Business Segments (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Years Ended December 31,
	2022		2021
Building Supply	$	36,937,000	$	36,889,000
Disposable Protective Apparel		25,044,000		31,748,000
Consolidated net sales	$	61,981,000	$	68,637,000

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

	Years Ended December 31,
	2022		2021
Building Supply	$	5,359,000	$	7,350,000
Disposable Protective Apparel		4,010,000		6,706,000
Total segment income		9,369,000		14,056,000
Unallocated corporate overhead expenses		4,974,000		5,556,000
Provision for income taxes		1,113,000		1,744,000
Consolidated net income	$	3,282,000	$	6,756,000

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	Years Ended December 31,
	2022		2021
Net sales by geographic region
United States	$	60,489,000	$	65,844,000
International		1,492,000		2,793,000
Consolidated net sales	$	61,981,000	$	68,637,000

	As of December 31,
	2022		2021
Long-lived assets by geographic region
United States	$	4,380,000	$	4,623,000
International		1,362,000		1,441,000
Consolidated total long-lived assets	$	5,742,000	$	6,064,000

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

	As of December 31,
	2022		2021
Building Supply	$	3,395,000	$	3,600,000
Disposable Protective Apparel		1,327,000		1,419,000
Total segment assets		4,722,000		5,019,000
Unallocated corporate assets		1,076,000		1,103,000
Total consolidated assets	$	5,798,000	$	6,122,000