Subsequent Events

6 Months Ended

Jun. 30, 2018

Subsequent Events [Abstract]

Subsequent Events

N.Subsequent Events

Warrants

On August 6, 2013, the Company distributed 12,981,025 warrants to purchase shares of the Company's common stock as a dividend to holders of the Company's common stock on July 29, 2013, the record date for the dividend. Stockholders received five warrants for each share of the Company's common stock owned on the record date. When exercisable, 25 warrants entitled the holder to purchase one share of the Company's common stock at an exercise price of $7.50 per share (subject to adjustment). On August 6, 2018, on the expiration date, the Company raised total gross proceeds of approximately $926,948 and issued 123,593 shares as a result of exercises of its warrants.