Note 14 - Activity of Business Segments (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	Years Ended December 31,
	2018		2017
Building Supply	$	26,035,000	$	24,641,000
Disposable Protective Apparel		15,612,000		14,250,000
Infection Control		4,977,000		5,134,000
Consolidated net sales	$	46,624,000	$	44,025,000

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

	Years Ended December 31,
	2018		2017
Building Supply	$	3,836,000	$	4,143,000
Disposable Protective Apparel		2,862,000		2,516,000
Infection Control		1,722,000		1,844,000
Total segment income		8,420,000		8,503,000
Unallocated corporate overhead expenses		4,006,000		4,833,000
Provision for income taxes		789,000		1,037,000
Consolidated net income	$	3,625,000	$	2,633,000

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

	Years Ended December 31,
	2018		2017
Net sales by geographic region
United States	$	45,595,000	$	43,169,000
International		1,029,000		856,000
Consolidated net sales	$	46,624,000	$	44,025,000

	As of December 31,
	2018		2017
Long-lived assets by geographic region
United States	$	2,528,000	$	2,593,000
International		716,000		565,000
Consolidated total long-lived assets	$	3,244,000	$	3,158,000

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

	As of December 31,
	2018		2017
Disposable Protective Apparel	$	386,000	$	336,000
Building Supply		1,908,000		2,098,000
Infection Control		14,000		13,000
Total segment assets		2,308,000		2,447,000
Unallocated corporate assets		1,007,000		787,000
Total consolidated assets	$	3,315,000	$	3,234,000