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CAPITAL STOCK (Tables)
9 Months Ended
Sep. 30, 2021
Equity [Abstract]  
Reserved Authorized Shares of Common Stock The Company had reserved authorized shares of common stock for future issuance at September 30, 2021 as follows:
September 30,
2021
Common stock warrants27,944,544 
Common stock options outstanding 7,089,524 
Shares available for grant under the Omnibus Plan3,615,201 
Shares available for grant under the Employee Stock Purchase Plan2,600,000 
Unvested restricted stock units47,435 
Total41,296,704