Note 10 - Activity of Business Segments (Tables)

6 Months Ended

Jun. 30, 2019

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,
	2019		2018		2019		2018
Building Supply	$	6,710,000	$	6,572,000	$	13,208,000	$	13,241,000
Disposable Protective Apparel		4,705,000		5,537,000		10,510,000		10,310,000
Consolidated net sales	$	11,415,000	$	12,109,000	$	23,718,000	$	23,551,000

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

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Building Supply	$	900,000	$	1,067,000	$	1,809,000	$	2,061,000
Disposable Protective Apparel		878,000		1,284,000		2,301,000		2,308,000
Total segment income		1,778,000		2,351,000		4,110,000		4,369,000
Unallocated corporate overhead expenses		530,000		1,189,000		1,401,000		2,608,000
Provision for income taxes		238,000		203,000		481,000		294,000
Consolidated net income	$	1,010,000	$	959,000	$	2,228,000	$	1,467,000

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

	June 30,		December 31,
	2019		2018
Building Supply	$	1,867,000	$	1,908,000
Disposable Protective Apparel		387,000		400,000
Total segment assets		2,254,000		2,308,000
Unallocated corporate assets		1,047,000		1,007,000
Total consolidated assets	$	3,301,000	$	3,315,000