Note 8 - Stockholders' Equity

12 Months Ended

Dec. 31, 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 December 31, 2013 there were no outstanding shares of our preferred stock.

Common Stock

As of December 31, 2012 and December 31, 2013 there were 70,713,830 and 75,123,014 shares of common stock outstanding, respectively. The increase in shares during the year ended December 31, 2013 is comprised of the following stock issuances: (i) 2,333,329 shares of our common stock issued to purchasers of our Winter 2013 PPM, (ii) 1,483,764 shares of our common stock to our officers as payment for accrued and unpaid salary and unreimbursed expenses, (iii) 332,091 shares as payment to consultants in lieu of accrued and unpaid obligations, (iv) 260,000 shares of our common stock issued to purchasers of our Summer 2013 PPM