ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Payables and Accruals [Abstract]
Accrued consulting and other professional fees	$ 1,335	$ 438
Customer deposit	3,000	3,000
Income taxes payable	493	506
Product warranty liability, current	78	84
Service contract costs	$ 269	$ 307
Operating lease, liability, current, statement of financial position	Total	Total
Short-term lease liability	$ 1,206	$ 935
Other accrued liabilities	968	957
Total	$ 7,349	$ 6,227