Note 10 - Activity of Business Segments (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

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

	For the Three Months Ended
	March 31,
	2018		2017
Building Supply	$	6,669,000	$	5,939,000
Disposable Protective Apparel		3,232,000		3,295,000
Infection Control		1,541,000		1,517,000
Consolidated net sales	$	11,442,000	$	10,751,000

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

	For the Three Months Ended
	March 31,
	2018		2017
Building Supply	$	994,000	$	962,000
Disposable Protective Apparel		290,000		458,000
Infection Control		733,000		596,000
Total segment income		2,017,000		2,016,000
Unallocated corporate overhead expenses		1,417,000		1,244,000
Provision for income taxes		92,000		222,000
Consolidated net income	$	508,000	$	550,000

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

	March 31,		December 31,
	2018		2017
Building Supply	$	2,050,000	$	2,098,000
Disposable Protective Apparel		325,000		336,000
Infection Control		12,000		13,000
Total segment assets		2,387,000		2,447,000
Unallocated corporate assets		803,000		787,000
Total consolidated assets	$	3,190,000	$	3,234,000