Subsequent Events	3 Months Ended
Mar. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	Note 13 - Subsequent Events In April 2019, the Company net issued 17,042 shares of common stock to certain employees in net settlement of restricted stock units that vested during the period. The shares of common stock withheld were used to satisfy required withholding tax liability in connection with the vesting of shares. Also in April 2019, the Company net issued 3,488 shares of common stock in settlement of the cashless exercise of vested common stock options by two former employees. In April and May of 2019, the Company issued an aggregate of 1,411,885 shares of commons stock for the exercise of certain warrants. The net proceeds to the Company for these exercises was $1.6 million. The Company has evaluated subsequent events from the balance sheet date through May 15, 2019, the date at which the financial statements were issued, and determined that there were no other items that require adjustment to or disclosure in the financial statements.

Subsequent Events

3 Months Ended

Mar. 31, 2019

Note 13 - Subsequent Events

In April 2019, the Company net issued 17,042 shares of common stock to certain employees in net settlement of restricted stock units that vested during the period. The shares of common stock withheld were used to satisfy required withholding tax liability in connection with the vesting of shares.

Also in April 2019, the Company net issued 3,488 shares of common stock in settlement of the cashless exercise of vested common stock options by two former employees.

In April and May of 2019, the Company issued an aggregate of 1,411,885 shares of commons stock for the exercise of certain warrants. The net proceeds to the Company for these exercises was $1.6 million.

The Company has evaluated subsequent events from the balance sheet date through May 15, 2019, the date at which the financial statements were issued, and determined that there were no other items that require adjustment to or disclosure in the financial statements.