Note 10 - Activity of Business Segments (Tables)

9 Months Ended

Sep. 30, 2019

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,
	2019		2018		2019		2018
Building Supply	$	7,215,000	$	6,979,000	$	20,423,000	$	20,220,000
Disposable Protective Apparel		4,812,000		5,125,000		15,322,000		15,435,000
Consolidated net sales	$	12,027,000	$	12,104,000	$	35,745,000	$	35,655,000

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

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Building Supply	$	1,010,000	$	1,130,000	$	2,819,000	$	3,191,000
Disposable Protective Apparel		839,000		1,194,000		3,140,000		3,502,000
Total segment income		1,849,000		2,324,000		5,959,000		6,693,000
Unallocated corporate overhead expenses		1,302,000		426,000		2,702,000		3,033,000
Provision for income taxes		110,000		359,000		592,000		653,000
Consolidated net income	$	437,000	$	1,539,000	$	2,665,000	$	3,007,000

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

	September 30,		December 31,
	2019		2018
Building Supply	$	1,908,000	$	1,908,000
Disposable Protective Apparel		1,109,000		400,000
Total segment assets		3,017,000		2,308,000
Unallocated corporate assets		1,053,000		1,007,000
Total consolidated assets	$	4,070,000	$	3,315,000