Stockholders' Equity

6 Months Ended

Jun. 30, 2015

Stockholders' Equity Note [Abstract]

Stockholders' Equity

5. Stockholders’ Equity

Issuance of Common Stock – In January 2014, the Company issued a total of 5.0 million shares of the Company’s common stock and warrants to purchase 2.5 million shares of the Company’s common stock for aggregate gross proceeds of $15.0 million. The warrants are exercisable for a period of five years from the date of issuance. The exercise price of the warrants is $4.74 a share.

As of June 30, 2015, there were 89,762,872 shares of common stock issued and outstanding. There are no preferred shares outstanding as of June 30, 2015.