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Schedule of Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract]    
Cash and cash equivalents $ 22,428 $ 24,545
Short-term restricted cash 47 47
Long-term restricted cash 150 150
Total cash, cash equivalent, and restricted cash shown on the statements of cash flows $ 22,625 $ 24,742