NOTE 1 - FINANCIAL STATEMENT PREPARATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues	$ 3,808	$ 6,533	$ 15,700	$ 21,367
Equipment sales
Revenues	$ 1,567	4,047	$ 8,815	13,861
Change in revenue	(61.30%)		(36.40%)
Adapter sales
Revenues	$ 1,342	1,632	$ 4,223	5,072
Change in revenue	(17.80%)		(16.70%)
Software and maintenance
Revenues	$ 899	854	$ 2,662	2,434
Change in revenue	5.30%		9.40%
Total programming systems
Revenues	$ 3,808	$ 6,533	$ 15,700	$ 21,367
Change in revenue	(41.70%)		(26.50%)