ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES - DISAGGREGATED REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue
Revenue	$ 185,177	$ 54,891
Product Revenues | Hardware
Disaggregation of Revenue
Revenue	171,780	48,461
Product Revenues | Software
Disaggregation of Revenue
Revenue	4,102	2,450
Service Revenues | Professional Services
Disaggregation of Revenue
Revenue	1,419	1,300
Service Revenues | Maintenance and Subscription Services
Disaggregation of Revenue
Revenue	$ 7,876	$ 2,680