Stockholders' Equity

9 Months Ended

Sep. 30, 2015

Stockholders' Equity [Abstract]

Stockholders Equity Note Disclosure [Text Block]

10. Stockholders’ Equity

Preferred Stock

There were no issuances of preferred stock during the nine month periods ended September 30, 2015 and 2014.

Common Stock

The Company is authorized to issue 110,000,000 shares of common stock, $.001 par value per share. As of September 30, 2015, there were 82,520,696 shares of common stock outstanding.

Employee Stock Option Exercises

Shares of common stock issued as a result of stock option exercises during the three and nine month periods ended September 30, 2015 were 38,904 and 863,933, respectively, and the Company realized gross proceeds of approximately $31,206 and $701,706, respectively, from the exercise of such stock options. Shares of common stock issued as a result of stock option exercises during the three and nine month periods ended September 30, 2014 were 385,000 and 460,000, respectively, and the Company realized gross proceeds of approximately $246,400 and $280,400, respectively, from the exercise of such stock options. See Note 11 for additional information regarding stock option plans.