NOTE 1 - FINANCIAL STATEMENT PREPARATION (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues	$ 5,834	$ 7,204	$ 11,892	$ 14,834
Equipment sales
Revenues	$ 3,537	4,665	$ 7,247	9,814
Change in revenue	(24.20%)		(26.20%)
Adapter sales
Revenues	$ 1,421	1,750	$ 2,882	34,403,440
Change in revenue	(18.80%)		(16.20%)
Software and maintenance
Revenues	$ 876	789	$ 1,763	1,580
Change in revenue	11.00%		11.60%
Total programming systems
Revenues	$ 5,834	$ 7,204	$ 11,892	$ 14,834
Change in revenue	(19.00%)		(19.80%)