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Common Stock Warrants | 9 Months Ended
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Sep. 30, 2021
Warrants And Rights Note Disclosure [Abstract] |
Common Stock Warrants | Note 8. Common Stock Warrants In connection with the issuance of the Company’s Series A redeemable convertible preferred stock issuances in September 2011, the Company issued a warrant to purchase 129,310 shares of common stock to an investor who purchased Series A redeemable convertible preferred stock at an exercise price of $0.05 per share. The common stock warrant was exercised in December 2020 and is no longer outstanding

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