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NOTE 1 - FINANCIAL STATEMENT PREPARATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues	$ 5,947	$ 3,808	$ 15,387	$ 15,700
Change in revenue	56.20%		(2.00%)
Equipment
Revenues	$ 3,861	1,567	$ 8,924	8,815
Change in revenue	146.40%		1.20%
Adapter
Revenues	$ 1,246	1,342	$ 3,915	4,223
Change in revenue	(7.20%)		(7.30%)
Software and Maintenance
Revenues	$ 840	$ 899	$ 2,548	$ 2,662
Change in revenue	(6.60%)		(4.30%)

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