Note 2 - Net Income (Loss) Per Share (Details) - Basic and Diluted Income (Loss) Per Share (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator:
Net income (loss) for basic earnings per share	$ 52,031	$ (1,486,591)	$ (4,809,088)	$ (10,913,615)
Change in fair value of warrant liability	256,932	0	0	0
Net loss for diluted earnings per share	$ (204,901)	$ (1,486,591)	$ (4,809,088)	$ (10,913,615)
Weighted-average shares outstanding (in Shares)	43,092,803	38,207,141	40,131,955	37,903,904
Basic income (loss) per share (in Dollars per share)	$ 0.00	$ (0.04)	$ (0.12)	$ (0.29)
Diluted income (loss) per share (in Dollars per share)	$ 0.00	$ (0.04)	$ (0.12)	$ (0.29)