Note 10 - Activity of Business Segments (Tables)

9 Months Ended

Sep. 30, 2018

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,
	2018		2017		2018		2017
Building Supply	$	6,979,000	$	7,076,000	$	20,220,000	$	19,298,000
Disposable Protective Apparel		3,922,000		3,845,000		11,542,000		10,914,000
Infection Control		1,203,000		1,128,000		3,893,000		3,870,000
Consolidated net sales	$	12,104,000	$	12,049,000	$	35,655,000	$	34,082,000

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

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Building Supply	$	1,130,000	$	1,339,000	$	3,191,000	$	3,471,000
Disposable Protective Apparel		809,000		764,000		1,990,000		1,977,000
Infection Control		385,000		396,000		1,512,000		1,405,000
Total segment income		2,324,000		2,499,000		6,693,000		6,853,000
Unallocated corporate overhead expenses		426,000		893,000		3,033,000		3,328,000
Provision for income taxes		359,000		503,000		653,000		1,068,000
Consolidated net income	$	1,539,000	$	1,103,000	$	3,007,000	$	2,457,000

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

	September 30,		December 31,
	2018		2017
Building Supply	$	1,970,000	$	2,098,000
Disposable Protective Apparel		305,000		336,000
Infection Control		11,000		13,000
Total segment assets		2,286,000		2,447,000
Unallocated corporate assets		944,000		787,000
Total consolidated assets	$	3,230,000	$	3,234,000