Redeemable Convertible Preferred Stock and Stockholders Equity	6 Months Ended
Jun. 30, 2021
Redeemable Convertible Preferred Stock And Stockholders Deficit Equity [Abstract]
Redeemable Convertible Preferred Stock and Stockholders' Equity	12. Redeemable Convertible Preferred Stock and Stockholders’ Equity Redeemable Convertible Preferred Stock On January 8, 2020, the Company completed an additional closing of its Series H Preferred Stock whereby it sold and issued an aggregate of 1,964,766 shares of Series H Preferred Stock in exchange for gross proceeds of $26.7 million. The proceeds were used for general corporate purposes and business development. Immediately upon closing of the IPO, the Company’s outstanding preferred stock was automatically converted into an aggregate of 85,533,394 shares of the Company’s common stock. On June 11, 2020, the Company amended its certificate of incorporation to authorize the issuance of up to 10,000,000 shares of Preferred Stock. As of June 30, 2021, there was no preferred stock issued or outstanding. Common Stock On June 11, 2020, the Company amended its certificate of incorporation to effect a 2-for-1 forward stock split of shares of the Company’s outstanding common stock, such that each share of common stock, $0.001 par value became two shares of common stock, $0.001 par value per share. The shares of common stock authorized for issuance was increased to 500,000,000. Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders. Warrants In connection with the offering of shares of Series B Preferred Stock, the Company issued warrants to an investor in return for providing ongoing advisory services (“Series B Warrants”). The Series B Warrants allowed the investor to purchase up to 161,136 shares of common stock with an exercise price of $0.72 per share. The Series B Warrants vested in equal monthly installments through October 1, 2017. Upon the closing of the IPO, all of the Series B Warrants were exercised on a cashless basis by the holder which resulted in the net issuance of 155,862 shares of the Company’s common stock. In August 2017, the Company issued a warrant (the “Series F Preferred Stock Warrant”) which allowed the holders to purchase up to 589,970 shares of the Company’s Series F Preferred Stock, or common stock upon conversion of the Company’s preferred stock into common stock, with an exercise price of $8.53 per share. The holders exercised the warrant on June 23, 2020 on a cashless basis, which resulted in the net issuance of 480,250 shares of the Company’s common stock. Prior to the conversion of the Company’s preferred stock into common stock, the Series F Preferred Stock Warrant was classified as a liability due to the contingent redemption features of the Series F Preferred Stock and was measured at fair value at each reporting date.

Redeemable Convertible Preferred Stock and Stockholders Equity

6 Months Ended

Jun. 30, 2021

Redeemable Convertible Preferred Stock And Stockholders Deficit Equity [Abstract]

Redeemable Convertible Preferred Stock and Stockholders' Equity

12. Redeemable Convertible Preferred Stock and Stockholders’ Equity

Redeemable Convertible Preferred Stock

On January 8, 2020, the Company completed an additional closing of its Series H Preferred Stock whereby it sold and issued an aggregate of 1,964,766 shares of Series H Preferred Stock in exchange for gross proceeds of $26.7 million. The proceeds were used for general corporate purposes and business development.

Immediately upon closing of the IPO, the Company’s outstanding preferred stock was automatically converted into an aggregate of 85,533,394 shares of the Company’s common stock. On June 11, 2020, the Company amended its certificate of incorporation to authorize the issuance of up to 10,000,000 shares of Preferred Stock. As of June 30, 2021, there was no preferred stock issued or outstanding.

Common Stock

On June 11, 2020, the Company amended its certificate of incorporation to effect a 2-for-1 forward stock split of shares of the Company’s outstanding common stock, such that each share of common stock, $0.001 par value became two shares of common stock, $0.001 par value per share. The shares of common stock authorized for issuance was increased to 500,000,000. Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders.

Warrants

In connection with the offering of shares of Series B Preferred Stock, the Company issued warrants to an investor in return for providing ongoing advisory services (“Series B Warrants”). The Series B Warrants allowed the investor to purchase up to 161,136 shares of common stock with an exercise price of $0.72 per share. The Series B Warrants vested in equal monthly installments through October 1, 2017. Upon the closing of the IPO, all of the Series B Warrants were exercised on a cashless basis by the holder which resulted in the net issuance of 155,862 shares of the Company’s common stock.

In August 2017, the Company issued a warrant (the “Series F Preferred Stock Warrant”) which allowed the holders to purchase up to 589,970 shares of the Company’s Series F Preferred Stock, or common stock upon conversion of the Company’s preferred stock into common stock, with an exercise price of $8.53 per share. The holders exercised the warrant on June 23, 2020 on a cashless basis, which resulted in the net issuance of 480,250 shares of the Company’s common stock. Prior to the conversion of the Company’s preferred stock into common stock, the Series F Preferred Stock Warrant was classified as a liability due to the contingent redemption features of the Series F Preferred Stock and was measured at fair value at each reporting date.