Stockholders' Equity |
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| Stockholders' Equity Note Disclosure [Text Block] |
Note 5 — Stockholders’ Equity Stock Purchase Transaction On February 8, 2019, InvaGen acquired 5,833,333 shares of the Company’s common stock at $6.00 per share for net proceeds of $31.5 million after deducting commission fees and other offering costs, representing a 33.3% stake in the Company’s capital stock on a fully diluted basis. Equity Incentive Plan The Company has in effect the 2015 Incentive Plan (“2015 Incentive Plan”). The 2015 Incentive Plan was adopted in January 2015 by our stockholders. Under the 2015 Incentive Plan, the compensation committee of the Company’s board of directors is authorized to grant stock-based awards to directors, officers, employees and consultants. The plan authorizes grants to issue up to 2,000,000 shares of authorized but unissued common stock and expires 10 years from adoption and limits the term of each option to no more than 10 years from the date of grant. Restricted Stock Units and Restricted Stock Awards The following table summarizes restricted stock unit and award activity for the three months ended March 31, 2019:
For the three months ended March 31, 2019 and 2018, stock-based compensation expenses associated with the amortization of restricted stock units and restricted stock awards for employees and non-employees were approximately $0.8 million and $0.4 million, respectively. At March 31, 2019, the Company had unrecognized stock-based compensation expense related to restricted stock units and restricted stock awards of $2.3 million, which is expected to be recognized over the remaining weighted-average vesting period of 1.7 years. Stock Options The following table summarizes stock option award activity for the three months ended March 31, 2019:
Stock Warrants The following table summarizes the warrant activity for the three months ended March 31, 2019:
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