Note 15 - Activity of Business Segments (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	Years Ended December 31,
	2021		2020
Building Supply	$	36,889,000	$	30,580,000
Disposable Protective Apparel		31,748,000		72,120,000
Consolidated net sales	$	68,637,000	$	102,700,000

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

	Years Ended December 31,
	2021		2020
Building Supply	$	7,350,000	$	5,396,000
Disposable Protective Apparel		6,706,000		33,501,000
Total segment income		14,056,000		38,897,000
Unallocated corporate overhead expenses		5,556,000		6,649,000
Provision for income taxes		1,744,000		5,360,000
Consolidated net income	$	6,756,000	$	26,888,000

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

	Years Ended December 31,
	2021		2020
Net sales by geographic region
United States	$	65,844,000	$	90,495,000
International		2,793,000		12,205,000
Consolidated net sales	$	68,637,000	$	102,700,000

	As of December 31,
	2021		2020
Long-lived assets by geographic region
United States	$	4,623,000	$	2,787,000
International		1,441,000		1,566,000
Consolidated total long-lived assets	$	6,064,000	$	4,353,000

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

	As of December 31,
	2021		2020
Building Supply	$	3,600,000	$	1,806,000
Disposable Protective Apparel		1,419,000		1,432,000
Total segment assets		5,019,000		3,238,000
Unallocated corporate assets		1,103,000		1,177,000
Total consolidated assets	$	6,122,000	$	4,415,000