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Cash, Cash Equivalents, and Restricted Cash
12 Months Ended
Dec. 31, 2021
Cash and Cash Equivalents [Abstract]  
Cash, Cash Equivalents, and Restricted Cash Cash, Cash Equivalents, and Restricted CashWe had no cash equivalents as of December 31, 2021 and 2020. The following table sets forth our cash and restricted cash:

December 31,
20212020
Cash$23,137 $3,940 
Restricted cash— 91 
Total cash and restricted cash$23,137 $4,031