Note 8 - Geographic Segment Data (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	Net Sales to Outside Customers				Net Sales to Outside Customers
	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
United States	$	5,984,000	$	7,732,000	$	23,468,000	$	29,549,000
Mexico		2,345,000		2,396,000		6,830,000		6,959,000
	$	8,329,000	$	10,128,000	$	30,298,000	$	36,508,000

	Total Assets at
	September 30,		December 31,
	2019		2018
United States	$	19,409,000	$	25,613,000
Mexico		11,260,000		9,476,000
Assets Held for Sale International Subsidiaries		1,305,000		3,672,000
	$	31,974,000	$	38,761,000