Note 10 - Activity of Business Segments (Tables)

9 Months Ended

Sep. 30, 2023

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,
	2023		2022		2023		2022
Building Supply	$	11,449,000	$	9,604,000	$	30,616,000	$	30,657,000
Disposable Protective Apparel		4,604,000		5,118,000		15,351,000		19,099,000
Consolidated net sales	$	16,053,000	$	14,722,000	$	45,967,000	$	49,756,000

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

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
Building Supply	$	1,973,000	$	1,386,000	$	4,456,000	$	4,968,000
Disposable Protective Apparel		982,000		489,000		3,090,000		2,412,000
Total segment income		2,955,000		1,875,000		7,546,000		7,380,000
Unallocated corporate overhead expenses		1,130,000		1,213,000		3,444,000		3,854,000
Provision for income taxes		395,000		159,000		974,000		808,000
Consolidated net income	$	1,430,000	$	503,000	$	3,128,000	$	2,718,000

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

	September 30,		December 31,
	2023		2022
Building Supply	$	3,316,000	$	3,395,000
Disposable Protective Apparel		1,246,000		1,327,000
Total segment assets		4,562,000		4,722,000
Unallocated corporate assets		1,036,000		1,076,000
Total consolidated assets	$	5,598,000	$	5,798,000