Note 10 - Warrant Liability (Details) - Warrant Liability Measured at Fair Value on a Recurring Basis (USD $)
Dec. 31, 2013
Warrant Liability:  
December 31, 2013 $ 4,573,123
Fair Value, Inputs, Level 2 [Member]
 
Warrant Liability:  
December 31, 2013 $ 4,573,123