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Common Stock | 9 Months Ended
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Sep. 30, 2021
Equity [Abstract] |
Common Stock | COMMON STOCK AND REDEEMABLE COMMON STOCK As of September 30, 2021 and December 31, 2020, the Company’s Restated Certificate of Incorporation authorized the Company to issue 125,000,000 shares of common stock, par value $0.001 per share. The voting, dividend and liquidation rights of the holders of the Company’s common stock are subject to and qualified by the rights, powers and preferences of the holders of any preferred stock that may be issued. Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders. Common stockholders are entitled to receive dividends, as may be declared by the board of directors, if any. No cash dividends have been declared or paid to date. Private Placement— On March 18, 2021, the Company entered into a securities purchase agreement (the “Securities Purchase Agreement”) with several institutional and accredited investors (the “Investors”) pursuant to which the Company issued and sold to the Investors in a private placement (the “Private Placement”) an aggregate of 6,271,836 shares of common stock and, to certain Investors, in lieu of common stock, pre-funded warrants (the “Pre-Funded Warrants”) to purchase an aggregate of 50,000 shares of common stock at a price of $8.70 per share of common stock (or $8.69 per Pre-Funded Warrant). The price per Pre-Funded Warrant represents the price of $8.70 per share sold in the Private Placement, minus the $0.01 per share exercise price of each such Pre-Funded Warrant. The Pre-Funded Warrants are exercisable, subject to certain beneficial ownership restrictions, at any time after their original issuance and will not expire. The Private Placement closed on March 23, 2021 and the Company received gross proceeds of $55.0 million, before deducting offering expenses of $3.5 million paid by the Company. Redeemable Common Stock— On March 18, 2021, the Company entered into an Option Agreement, as amended (the “Option Agreement”) with Abingworth Bioventures 8 LP (“Abingworth Bioventures 8”), which was one of the Investors party to the Securities Purchase Agreement. Pursuant to the Option Agreement, if the Company and a syndicate, of which Abingworth Bioventures 8 was a part, did not execute a definitive co-development agreement, as defined in the Option Agreement, by August 2, 2021, Abingworth Bioventures 8 could have required the Company to repurchase the 229,885 common shares it purchased in the private placement at the original purchase price of $8.70 per share. The Company classified these shares as redeemable common stock on the condensed consolidated balance sheet, net of offering costs, as of March 31, 2021 and June 30, 2021. In August 2021, as a result of the termination of the letter of intent between the Company and Abingworth related to the contemplated co-development arrangement, Abingworth Bioventures 8 exercised it option to sell the 229,885 share of common stock it purchased in the Private Placement back to the Company at the original purchase price of $8.70 per share for an aggregate of $2.0 million. The Company adjusted the carrying amount of the redeemable common stock to its redemption value and subsequently retired these shares of common stock.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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