Note 8 - Stockholders' Equity

9 Months Ended

Sep. 30, 2013

Stockholders' Equity Note [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

Note 8.   Stockholders’ Equity

Preferred Stock

Our certificate of incorporation authorizes our Board of Directors to issue preferred stock, from time to time, on such terms and conditions as they shall determine. As of December 31, 2012 and September 30, 2013 there were no outstanding shares of our preferred stock.

Common Stock

As of December 31, 2012 and September 30, 2013 there were 70,713,830 and 74,475,421 shares of common stock outstanding, respectively. The increase in shares during the nine-month period ended September 30, 2013 is comprised of the following stock issuances: (i) 2,333,329 shares of our common stock issued to investors in our Winter 2013 Offering, (ii) 220,000 shares of our common stock issued to investors in our Summer 2013 Offering, (iii) 242,602 shares as payment to vendors and consultants in lieu of accrued and unpaid obligations, and (iv) 965,660 shares as payment to our officers in lieu of accrued and unpaid obligations.