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Restricted Cash
6 Months Ended
Jun. 30, 2022
Restricted Cash [Abstract]  
Restricted Cash

5. Restricted Cash

The Company had a restricted cash balance of $13.8 million and $16.5 million as of June 30, 2022 and December 31, 2021, respectively, held in a controlled bank account in connection with the Senior Credit Agreement with Oaktree and the RIPA. The Senior Credit Agreement requires the Company to maintain, in a debt service reserve account, a minimum cash balance equal to twelve months of interest on the outstanding loans under the Senior Credit Agreement, which amounted to $6.3 million and $16.5 million as of June 30, 2022 and December 31, 2021, respectively. Further, the Company holds $7.5 million of the proceeds from the RIPA as Segregated Funds, classified as restricted cash, which may be released to the Company upon satisfaction of certain milestone events under the RIPA.