Note 11 - Warrants (Details) - Common Stock Warrant Liability (USD $)	1 Months Ended	12 Months Ended			1 Months Ended	12 Months Ended
	Jun. 03, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Oct. 28, 2013 Waived Warrant [Member]	Dec. 31, 2013 Waived Warrant [Member]
Note 11 - Warrants (Details) - Common Stock Warrant Liability [Line Items]
Common Stock Warrant Liability		$ 4,283,932	$ 166,398	$ 248,131
Fair value of warrants classified as liability (see Note 9)	9,100,000					9,110,302
Fair value of warrants classified as equity (see Note 9)					5,300,000	(5,300,572)
Benefit /Lossfrom the adjustment for the change in fair value included in net loss		(8,090,636)	4,117,534	(81,733)
Common Stock Warrant Liability		$ 3,026	$ 4,283,932	$ 166,398