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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2022
Equity [Abstract]  
Summary of Common Shares Reserved for Future Issuance
The Company had reserved shares of common stock for possible future issuance as of December 31, 2022 and 2021 as follows:
 December 31,
  20222021
Common stock warrants outstanding— 2,500,000 
Stock options outstanding 8,132,959 8,085,793 
Restricted stock units outstanding1,178,370 1,247,723 
Shares available for issuance pursuant to Convertible Notes14,090,448 14,340,786 
Shares available for future grants of awards under the 2018 Omnibus Incentive Compensation Plan8,848,748 3,311,023 
Shares available under the 2000 Employee Stock Purchase Plan895,141 170,811 
Total shares of common stock reserved for issuance33,145,666 29,656,136