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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2021

Schedule of common stock were issuable upon exercise of stock options and the conversion of convertible senior notes and Series C Preferred stock

As of December 31, 2021, approximately $16.9 million shares of common stock were issuable upon conversion or exercise of rights granted under prior financing arrangements, stock options, restricted stock units and the conversion of the Convertible Senior Notes and Series C Preferred Stock, as follows:


Exercise of stock options		7,027,941
Vesting of restricted stock units		373,849
Conversion of Series C Preferred stock		5,443,505
Conversion of convertible 2026 Senior Notes		3,422,780
Conversion of convertible 2025 Senior Notes		599,954
Total shares of common stock reserved for future issuances		16,868,029