Capital Structure | (1 2 ) Capital Structure (a) Common Stock The Company is authorized to issue up to 50,000,000 shares of common stock, with a par value of $0.01 per share. Reflected below are the Company’s capital raises since its initial public offering (“IPO”): On March 12, 2014, the Company completed an IPO in which the Company sold 4,312,500 shares of common stock at $8.00 per share, resulting in gross proceeds of $34,500. In connection with the IPO, the Company paid $4,244 in underwriting discounts, commissions and offering expenses, resulting in net proceeds of $30,256. Also, in connection with the IPO, all of the outstanding shares of the Company’s Series A Redeemable Convertible Preferred Stock, including accreted dividends, and certain bridge notes, including accrued interest, were converted into common stock. On July 7, 2015, the Company closed a private placement with certain accredited investors in which the Company sold 1,379,311 shares of common stock at a price of $11.60 per share, for net proceeds of $14,812. The Company paid the placement agents a fee equal to 6.0% of the aggregate gross proceeds from the private placement, plus reimbursement of certain expenses. On August 19, 2016, the Company closed an underwritten public offering in which the company sold 1,986,666 shares of common stock at a price per share of $7.50, for net proceeds of $13,367 after deducting underwriting discounts, commissions and offering expenses. On December 16, 2016, the Company closed an underwritten public offering in which the company sold 6,670,000 shares of common stock at a price per share of $6.00, for net proceeds of $36,888 after deducting underwriting discounts, commissions and offering expenses. On December 29, 2017, the Company entered into a sales agreement, or the Sales Agreement, with Cowen and Company, LLC, or Cowen, pursuant to which the Company may sell from time to time, at its option, shares of its common stock, $0.01 par value per share, having an aggregate offering price of up to $40,000 through Cowen, as the placement agent. As of June 30, 2020, the Company did not have any sales of common stock under the Sales Agreement. The Sales Agreement will terminate on August 11, 2020. (b) Common Stock Purchase Agreement On March 2, 2018, the Company entered into a Common Stock Purchase Agreement (the “2018 Purchase Agreement”) with Aspire Capital Fund LLC (“Aspire Capital”), which provides that, upon the terms and subject to the conditions and limitations set forth in the 2018 Purchase Agreement, Aspire Capital is committed to purchase, at the Company’s sole election, up to an aggregate of $20,000 of shares of the Company’s common stock over the approximately 30-month term of the 2018 Purchase Agreement. On the execution of the 2018 Purchase Agreement, the Company agreed to issue 33,040 shares of common stock to Aspire Capital as consideration for entering into the 2018 Purchase Agreement. As of June 30, 2020, the Company sold 1,950,000 shares of common stock under the 2018 Purchase Agreement for proceeds of $16,999, at an average per share price of $8.72, all of which transactions occurred during 2018. The Amended Purchase Agreement, as defined below, replaces the 2018 Purchase Agreement. On February 19, 2019, the Company entered into a common stock purchase agreement (the “2019 Purchase Agreement”) with Aspire Capital, which provides that, upon the terms and subject to the conditions and limitations set forth in the 2019 Purchase Agreement, Aspire Capital is committed to purchase, at the Company’s sole election, up to an aggregate of $20,000 of its shares of common stock over the approximately 30-month term of the 2019 Purchase Agreement. On the execution of the 2019 Purchase Agreement, the Company agreed to issue 34,762 shares of common stock to Aspire Capital as consideration for entering into the 2019 Purchase Agreement. As of June 30, 2020, the Company did not have any sales of common stock under the 2019 Purchase Agreement. On August 7 , 2020 , the Company entered into a First Amendment to the 2019 Purchase Agreement with Aspire Capital (the “Amended Purchase Agreement”) which amended the 2019 Purchase Agreement to, among other things, in crease the aggregate amount of shares of common stock Aspire is committed to purchase to $ and extend the term of the 2019 Purchase Agreement to March 20, 2022 . (c) Preferred Stock The Company is authorized to issue 10,000,000 shares of preferred stock, with a par value of $0.01 per share. As of June 30, 2020, no preferred stock was issued or outstanding. (d) Warrants As of June 30, 2020, the Company had the following warrants outstanding to purchase shares of the Company’s common stock: Number of Shares Exercise Price per Share Expiration Date 348,664 $ 6.84 November 2024 The warrant to purchase 348,664 shares related to Athyrium is equity classified. During March 2019, the warrant to purchase 140,000 shares originally issued to Aegis Capital Corporation, which was equity classified, was forfeited upon expiration. In November 2019, the warrant to purchase 350,000 shares issued to Alkermes, which was liability classified as it contained a contingent net cash settlement feature, was exercised on a cashless basis, with Alkermes surrendering 165,673 shares to cover the aggregate exercise price, resulting in the issuance of 184,327 shares of common stock based on the closing bid price of the Company’s common stock on November 8, 2019 of $17.45. |