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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Vendor prepayments $ 1,489 $ 87
Related party receivable 37 27
Prepaid insurance 203 66
Other 26 0
Total prepaid expenses and other current assets $ 1,755 $ 180