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DEBT (Tables)
3 Months Ended
Mar. 31, 2022
Debt Disclosure [Abstract]  
Schedule of Future Principal Payments
As of March 31, 2022, future principal payments due under the Loan Agreement, as amended, are as follows (in thousands):
Year ended:
December 31, 2022$1,482 
Total future principal payments due under the Loan Agreement$1,482