Note 10 - Activity of Business Segments (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	For the Three Months Ended
	March 31,
	2021		2020
Building Supply	$	8,340,000	$	7,557,000
Disposable Protective Apparel		14,821,000		10,597,000
Consolidated net sales	$	23,161,000	$	18,154,000

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

	For the Three Months Ended
	March 30,
	2021		2020
Building Supply	$	1,551,000	$	1,410,000
Disposable Protective Apparel		4,750,000		4,453,000
Total segment income		6,301,000		5,863,000
Unallocated corporate overhead expenses		1,575,000		1,549,000
Provision (benefit) for income taxes		1,007,000		(1,028,000	)
Consolidated net income	$	3,719,000	$	5,342,000

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

	March 30,		December 31,
	2021		2020
Building Supply	$	1,756,000	$	1,806,000
Disposable Protective Apparel		1,428,000		1,432,000
Total segment assets		3,184,000		3,238,000
Unallocated corporate assets		1,164,000		1,177,000
Total consolidated assets	$	4,348,000	$	4,415,000