REVENUE RECOGNITION - Summary of Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation Of Revenue [Line Items]
Total revenue	$ 2,348	$ 371	$ 5,390	$ 1,060
Device
Disaggregation Of Revenue [Line Items]
Total revenue	1,945	200	4,305	521
Device | Point In Time
Disaggregation Of Revenue [Line Items]
Total revenue	1,945	200	4,305	521
Service
Disaggregation Of Revenue [Line Items]
Total revenue	403	171	1,085	539
Service | Over Time
Disaggregation Of Revenue [Line Items]
Total revenue	$ 403	$ 171	$ 1,085	$ 539