REVENUE RECOGNITION - Information about Receivables and Deferred Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Revenue From Contract With Customer [Abstract]
Accounts receivable, net	$ 1,944	$ 553
Unbilled receivables	478	91
Deferred revenue	973	730
Long term deferred revenue	$ 851	$ 510

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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