Note 10 - Activity of Business Segments (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

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

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2023		2022		2023		2022
Building Supply	$	10,537,000	$	10,817,000	$	19,167,000	$	21,054,000
Disposable Protective Apparel		5,578,000		6,556,000		10,747,000		13,980,000
Consolidated net sales	$	16,115,000	$	17,373,000	$	29,914,000	$	35,034,000

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

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2023		2022		2023		2022
Building Supply	$	1,527,000	$	1,915,000	$	2,483,000	$	3,582,000
Disposable Protective Apparel		1,324,000		223,000		2,108,000		1,923,000
Total segment income		2,851,000		2,138,000		4,591,000		5,505,000
Unallocated corporate overhead expenses		1,267,000		1,248,000		2,314,000		2,641,000
Provision for income taxes		438,000		197,000		579,000		649,000
Consolidated net income	$	1,146,000	$	693,000	$	1,698,000	$	2,215,000

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

	June 30,		December 31,
	2023		2022
Building Supply	$	3,420,000	$	3,395,000
Disposable Protective Apparel		1,269,000		1,327,000
Total segment assets		4,689,000		4,722,000
Unallocated corporate assets		1,037,000		1,076,000
Total consolidated assets	$	5,726,000	$	5,798,000