FINANCIAL STATEMENT PREPARATION (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues	$ 6,733	$ 4,655	$ 12,748	$ 9,440
Change in revenue	44.60%		35.00%
Equipment
Revenues	$ 4,130	2,476	$ 7,477	5,063
Change in revenue	66.80%		47.70%
Adapter
Revenues	$ 1,942	1,324	$ 3,850	2,669
Change in revenue	46.70%		44.20%
Software and Maintenance
Revenues	$ 661	$ 855	$ 1,421	$ 1,708
Change in revenue	22.70%		16.80%