Note 11 - Stock-based Compensation (Details) - Stock Option Activities (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Note 11 - Stock-based Compensation (Details) - Stock Option Activities [Line Items]
Outstanding	5,836,500	5,171,500
Outstanding (in Dollars per share)	$ 0.45	$ 0.56
Three Months Ended March [Member]
Note 11 - Stock-based Compensation (Details) - Stock Option Activities [Line Items]
Granted		675,000
Excercised (in Dollars per share)		$ 0.46
Forfeited	(1,251,000)	(23,000)
Forfeited (in Dollars per share)	$ 0.43	$ 1.10
As of March [Member]
Note 11 - Stock-based Compensation (Details) - Stock Option Activities [Line Items]
Outstanding	4,585,500	5,823,500
Outstanding (in Dollars per share)	$ 0.46	$ 0.55
Three Months Ended June [Member]
Note 11 - Stock-based Compensation (Details) - Stock Option Activities [Line Items]
Granted		750,000
Excercised (in Dollars per share)		$ 0.28
Forfeited	(1,255,250)	(830,000)
Forfeited (in Dollars per share)	$ 0.57	$ 0.64
As Of June [Member]
Note 11 - Stock-based Compensation (Details) - Stock Option Activities [Line Items]
Outstanding	3,330,250	5,743,500
Outstanding (in Dollars per share)	$ 0.41	$ 0.50
Three Months Ended Sep [Member]
Note 11 - Stock-based Compensation (Details) - Stock Option Activities [Line Items]
Granted	4,000,000	1,195,000
Excercised (in Dollars per share)	$ 0.05	$ 0.28
Forfeited	(836,000)	(176,625)
Forfeited (in Dollars per share)	$ 0.57	$ 0.72
As Of September [Member]
Note 11 - Stock-based Compensation (Details) - Stock Option Activities [Line Items]
Outstanding	6,494,250	6,761,875
Outstanding (in Dollars per share)	$ 0.21	$ 0.45