Note 6 - Common Stock

9 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

6. Common Stock. The shareholders have authorized 100,000,000 shares of voting common shares for issuance. On September 30, 2015, a total of 20,273,904 shares of common stock were either outstanding (20,144,810) or reserved for issuance upon exercise of options and warrants (129,094). No common stock was issued in the nine months ending September 30, 2015.