Annual report pursuant to section 13 and 15(d)

Note 8 - Stockholders' Equity (Detail) - Common Stock Warrants

v2.4.0.6
Note 8 - Stockholders' Equity (Detail) - Common Stock Warrants (USD $)
 1 Months Ended 12 Months Ended
Jul. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Outstanding   1,922,944 435,986 410,542
Outstanding (in Dollars per Item)   0.43 3.74 0.42
Expired     (410,542)  
Expired (in Dollars per share)     $ 3.48  
Issued 2,727,274 7,652,071 2,122,500 25,444
Issued (in Dollars per share) (in Dollars per share) $ 1.45 $ 1.05 $ 0.29 $ 8.00
Shares withheld on net settled exercises   (186,347)    
Shares withheld on net settled exercises (in Dollars per share)   $ 0.70    
Exercised   (624,832) (225,000)  
Exercised (in Dollars per share)   $ 0.67 $ 0.01  
Outstanding   8,763,836 1,922,944 435,986
Outstanding (in Dollars per Item) 1.10 0.95 0.43 3.74