Subsequent Events	6 Months Ended
Jun. 30, 2020
Subsequent Events [Abstract]
Subsequent Events	15. Subsequent Events The Company has evaluated all subsequent events through September 2, 2020, the date the financial statements were available to be issued. The following events occurred subsequent to June 30, 2020: Initial Public Offering On August 3, 2020, the Company completed its IPO, in which the Company issued and sold 18,687,500 shares of its common stock, at a public offering price of $17.00 per share, resulting in gross proceeds of $317.7 million. The Company received approximately $292.4 million in net proceeds after deducting underwriting discounts and commissions and offering costs. Upon the closing of the IPO, all of the then-outstanding shares of convertible preferred stock automatically converted into 39,859,139 shares of common stock at the applicable conversion ratio then in effect. Reverse Stock Split On July 22, 2020, in connection with its IPO, the Company amended its certificate of incorporation to effect a 1-for-1.49020520953831 reverse stock split of the Company’s common stock and adjusted the ratio at which the Company’s preferred stock is convertible into common stock, as well as the number of shares under the 2018 Plan, as well as the share amounts of restricted stock grants under the 2018 Plan and the number of options and exercise prices of options under the 2018 Plan as a result of the 1-for-1.49020520953831 reverse stock split. All common shares, stock options, and per share information presented in the accompanying consolidated financial statements and notes thereto have been adjusted, where applicable, to reflect the reverse stock split on a retroactive basis for all periods presented. The per share par value and authorized number of shares of the Company’s common stock were not adjusted as a result of the split. 2020 Stock Option and Grant Plan On July 2, 2020, the Company’s Board of Directors adopted and in July 2020 the stockholders approved the 2020 Stock Option and Grant Plan, or 2020 Plan, and it became effective as of the date immediately prior to the date of the effectiveness of the registration statement or the Prospectus filed with the SEC on July 30, 2020. Initially, the aggregate number of shares of our common stock that may be issued pursuant to stock awards under the 2020 Plan will be 8,008,734 shares. The number of shares of our common stock reserved for issuance under the 2020 Plan shall be cumulatively increased on January 1, 2021 and each January 1 thereafter by 5% of the total number of shares of our common stock outstanding on December 31 of the preceding calendar year or a lesser number of shares determined by our board of directors. Unless our board of directors elects not to increase the number of shares available for future grant each year, our stockholders may experience additional dilution, which could cause our stock price to fall. 2020 Employee Stock Purchase Plan In July 2020, the 2020 Employee Stock Purchase Plan, or 2020 ESPP, was also adopted by the Board of Directors and approved by the stockholders. The purpose of the 2020 ESPP is to provide eligible employees of the Company and other designated companies, with opportunities to purchase shares of the Company’s common stock, par value $0.0001 per share. 611,354 shares of Common Stock in the aggregate have been approved and reserved for this purpose, plus on January 1, 2021 and each January 1 thereafter until January 1, 2030, the number of shares of Common Stock reserved and available for issuance under the Plan shall be cumulatively increased by the least of (i) 1,222,707 shares of Common Stock, (ii) 1% of the number of shares of Common Stock issued and outstanding on the immediately preceding December 31, and (iii) such number of shares of Common Stock as determined by the Administrator.

Subsequent Events

6 Months Ended

Jun. 30, 2020

15. Subsequent Events

The Company has evaluated all subsequent events through September 2, 2020, the date the financial statements were available to be issued. The following events occurred subsequent to June 30, 2020:

Initial Public Offering

On August 3, 2020, the Company completed its IPO, in which the Company issued and sold 18,687,500 shares of its common stock, at a public offering price of $17.00 per share, resulting in gross proceeds of $317.7 million. The Company received approximately $292.4 million in net proceeds after deducting underwriting discounts and commissions and offering costs. Upon the closing of the IPO, all of the then-outstanding shares of convertible preferred stock automatically converted into 39,859,139 shares of common stock at the applicable conversion ratio then in effect.

Reverse Stock Split

On July 22, 2020, in connection with its IPO, the Company amended its certificate of incorporation to effect a 1-for-1.49020520953831 reverse stock split of the Company’s common stock and adjusted the ratio at which the Company’s preferred stock is convertible into common stock, as well as the number of shares under the 2018 Plan, as well as the share amounts of restricted stock grants under the 2018 Plan and the number of options and exercise prices of options under the 2018 Plan as a result of the 1-for-1.49020520953831 reverse stock split. All common shares, stock options, and per share information presented in the accompanying consolidated financial statements and notes thereto have been adjusted, where applicable, to reflect the reverse stock split on a retroactive basis for all periods presented. The per share par value and authorized number of shares of the Company’s common stock were not adjusted as a result of the split.

2020 Stock Option and Grant Plan

On July 2, 2020, the Company’s Board of Directors adopted and in July 2020 the stockholders approved the 2020 Stock Option and Grant Plan, or 2020 Plan, and it became effective as of the date immediately prior to the date of the effectiveness of the registration statement or the Prospectus filed with the SEC on July 30, 2020. Initially, the aggregate number of shares of our common stock that may be issued pursuant to stock awards under the 2020 Plan will be 8,008,734 shares. The number of shares of our common stock reserved for issuance under the 2020 Plan shall be cumulatively increased on January 1, 2021 and each January 1 thereafter by 5% of the total number of shares of our common stock outstanding on December 31 of the preceding calendar year or a lesser number of shares determined by our board of directors. Unless our board of directors elects not to increase the number of shares available for future grant each year, our stockholders may experience additional dilution, which could cause our stock price to fall.

2020 Employee Stock Purchase Plan

In July 2020, the 2020 Employee Stock Purchase Plan, or 2020 ESPP, was also adopted by the Board of Directors and approved by the stockholders. The purpose of the 2020 ESPP is to provide eligible employees of the Company and other designated companies, with opportunities to purchase shares of the Company’s common stock, par value $0.0001 per share. 611,354 shares of Common Stock in the aggregate have been approved and reserved for this purpose, plus on January 1, 2021 and each January 1 thereafter until January 1, 2030, the number of shares of Common Stock reserved and available for issuance under the Plan shall be cumulatively increased by the least of (i) 1,222,707 shares of Common Stock, (ii) 1% of the number of shares of Common Stock issued and outstanding on the immediately preceding December 31, and (iii) such number of shares of Common Stock as determined by the Administrator.