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Leases (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Schedule of Maturities of Lease Liabilities
As of December 31, 2021, the maturities of lease liabilities under non-cancelable operating leases were as follows:

Operating Leases
Year ending December 31,
(in thousands)
2022$139
202396
202490
Total lease payments$325