Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Details) - Option Activity (USD $)	9 Months Ended
	Sep. 30, 2013
Option Activity [Abstract]
Outstanding as of December 31, 2012	2,184,583
Outstanding as of December 31, 2012 (in Dollars per share)	$ 2.20
Granted	1,684,500
Granted (in Dollars per share)	$ 0.25
Exercised	0
Exercised (in Dollars per share)	$ 0
Cancelled/forfeited	(651,377)
Cancelled/forfeited (in Dollars per share)	$ 0.52
Outstanding as of September 30, 2013	3,217,706
Outstanding as of September 30, 2013 (in Dollars per share)	$ 1.52
Outstanding as of September 30, 2013	7 years 109 days
Exercisable as of September 30, 2013	1,875,274
Exercisable as of September 30, 2013 (in Dollars per share)	$ 2.35
Exercisable as of September 30, 2013	6 years