Note 10 - Activity of Business Segments (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Building Supply	$	10,072,000	$	7,668,000	$	28,210,000	$	22,677,000
Disposable Protective Apparel		4,403,000		22,359,000		27,232,000		51,004,000
Consolidated net sales	$	14,475,000	$	30,027,000	$	55,442,000	$	73,681,000

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

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Building Supply	$	1,901,000	$	1,307,000	$	5,629,000	$	4,023,000
Disposable Protective Apparel		234,000		10,880,000		6,351,000		23,733,000
Total segment income		2,135,000		12,187,000		11,980,000		27,756,000
Unallocated corporate overhead expenses		1,173,000		1,590,000		4,274,000		4,804,000
Provision for income taxes		196,000		2,490,000		1,550,000		3,284,000
Consolidated net income	$	766,000	$	8,107,000	$	6,156,000	$	19,668,000

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

	September 30,		December 31,
	2021		2020
Building Supply	$	3,649,000	$	1,806,000
Disposable Protective Apparel		1,429,000		1,432,000
Total segment assets		5,078,000		3,238,000
Unallocated corporate assets		1,117,000		1,177,000
Total consolidated assets	$	6,195,000	$	4,415,000