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Common and Preferred Stock | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Common and Preferred Stock | 10. Common and Preferred Stock The Company is authorized to issue 400,000,000 shares of common stock, par value $0.01 per share, and 10,000,000 shares of undesignated preferred stock, par value $0.01 per share, issuable in one or more series as designated by the Company’s board of directors. No other class of capital stock is authorized. As of December 31, 2020 and 2019, 242,117,089 and 211,787,573 shares of common stock, respectively, were issued and outstanding and no shares of preferred stock were outstanding. In February 2018, the Company entered into a controlled equity offering sales agreement (the “Sales Agreement”) with Cantor Fitzgerald & Co. (“Cantor Fitzgerald”), as sales agent, pursuant to which the Company may offer and sell, from time to time, through Cantor Fitzgerald, shares of the Company’s common stock having an aggregate offering price of up to $50.0 million or such other amount as may be permitted by the Sales Agreement. Under the Sales Agreement, Cantor Fitzgerald may sell shares by any method deemed to be an “at the market offering” as defined in Rule 415 under the Securities Act of 1933, as amended. For the year ended December 31, 2020, the Company sold an aggregate of 11,851,566 shares of the Company’s common stock at an average purchase price of $1.99 per share for an aggregate gross proceeds of approximately $23.5 million pursuant to the Sales Agreement. For the year ended December 31, 2019, the Company sold an aggregate of 2,584,964 shares of the Company’s common stock at an average purchase price of $1.24 per share for an aggregate gross proceeds of approximately $3.2 million pursuant to the Sales Agreement. In December 2018, the Company entered into an underwriting agreement with Leerink Partners LLC relating to the issuance and sale in a public offering of 26,666,667 shares of the Company’s common stock and warrants to purchase up to an aggregate of 26,666,667 shares of the Company’s common stock (the “December warrants”) at a combined purchase price of $1.50 per share and accompanying warrant. The shares of common stock and the December warrants were immediately separable. The December warrants were immediately exercisable at issuance at a price of $1.60 per share and had an expiry date of December 26, 2019. The net proceeds to the Company from the offering were approximately $37.3 million. The Company determined that the December warrants met the criteria for equity classification and accounted for such warrants in additional paid-in capital. In July 2019, the Company repurchased 3,333,334 December warrants for consideration of approximately $0.4 million, for which $0.2 million was recognized as a reduction to additional paid-in capital on the consolidated balance sheet and $0.2 million was recognized as other expense on the consolidated statement of operations for cash paid in excess of fair value. On December 23, 2019, the Company and one holder of a December warrant to purchase 11,750,000 shares of the Company’s common stock (the “Warrant Shares”) agreed to amend their December warrant to provide that (i) the exercise price per share for 4,500,000 Warrant Shares would be equal to $1.311 but only with respect to a cash exercise of such December warrant on December 23, 2019 and (ii) if the holder purchased at least 4,500,000 Warrant Shares pursuant to a timely cash exercise of such December warrant, the termination date of such December warrant would be extended to June 26, 2020. The Company determined that the modified December warrants met the criteria for equity classification and the incremental fair value of approximately $0.7 million was recognized as additional paid-in capital. On December 23, 2019, 4,500,000 Warrant Shares were exercised by the holder at $1.311 per share for an aggregate exercise price of $5.9 million. On December 26, 2019, 11,583,333 December warrants expired unexercised and 7,250,000 remained available for purchase at a price of $1.60 per share, which were subsequently exercised in June 2020. On June 24, 2020, the Company prepaid the June 2020 note with the issuance of 1,235,094 shares of the Company’s common stock, in accordance with the terms of the June 2020 note. On October 9, 2020, the Company prepaid the December 2020 note with the issuance of 1,377,356 shares of the Company’s common stock, in accordance with the terms of the December 2020 note. The number of shares issued for the prepayments on June 24, 2020 and October 9, 2020 were determined based on the Company’s closing stock price on the day preceding the settlement date. See Note 7 – Borrowings. In the fourth quarter of 2020, the Mann Group converted $3.0 million of accrued interest and $7.0 million of principal under the Mann Group convertible note into 1.2 million shares and 2.8 million shares, respectively, of the Company’s common stock, in accordance with the terms of the convertible note. Subsequent to December 31, 2020, the Mann Group converted $0.4 million of interest and $9.6 million of principal into 4.0 million shares of common stock. See Note 7 – Borrowings. In December 2020, the Company issued 111,853 warrants to purchase shares of the Company’s common stock in connection with the third amendment to the Midcap Credit Facility. The warrants are set to expire on the earlier of December 1, 2027 or upon acquisition of the Company. See Note 7 – Borrowings. In December 2020, the Company issued 3,067,179 shares of the Company’s common stock as consideration for the acquisition of QrumPharma. See Note 3 – Acquisition. In February 2021, the Company converted $5.0 million principal amount of 2024 convertible notes into 1.7 million shares of the Company’s 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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