Note 3. Common Stock

3 Months Ended

Mar. 31, 2013

Stockholders' Equity Note Disclosure [Text Block]

3.     Common Stock.  The shareholders have authorized 100,000,000 shares of voting common shares for issuance.  On March 31, 2013, a total of 81,934,189 shares of common stock were either outstanding (73,554,897) or reserved for issuance upon exercise of options and warrants or conversion of convertible preferred stock (8,379,292).  No common stock was issued in the first quarter of 2013