Note 14 - Activity of Business Segments (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

	Years Ended December 31,
	2017		2016
Building Supply	$	24,641,000	$	27,343,000
Disposable Protective Apparel		14,250,000		14,219,000
Infection Control		5,134,000		4,614,000
Consolidated net sales	$	44,025,000	$	46,176,000

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

	Years Ended December 31,
	2017		2016
Building Supply	$	4,143,000	$	5,345,000
Disposable Protective Apparel		2,516,000		1,671,000
Infection Control		1,844,000		1,581,000
Total segment income		8,503,000		8,597,000
Unallocated corporate overhead expenses		4,833,000		4,422,000
Provision for income taxes		1,037,000		1,007,000
Consolidated net income	$	2,633,000	$	3,168,000

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	Years Ended December 31,
	2017		2016
Net sales by geographic region
United States	$	43,169,000	$	45,068,000
International		856,000		1,108,000
Consolidated net sales	$	44,025,000	$	46,176,000

	As of December 31,
	2017		2016
Long-lived assets by geographic region
United States	$	2,593,000	$	2,338,000
International		565,000		308,000
Consolidated total long-lived assets	$	3,158,000	$	2,646,000

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

	As of December 31,
	2017		2016
Disposable Protective Apparel	$	336,000	$	346,000
Building Supply		2,098,000		2,208,000
Infection Control		13,000		140,000
Total segment assets		2,447,000		2,694,000
Unallocated corporate assets		787,000		41,000
Total consolidated assets	$	3,234,000	$	2,735,000