Note 10 - Fair Value Measurements (Details) (USD $)	Dec. 31, 2013
Note 10 - Fair Value Measurements (Details) [Line Items]
Control Redemption Amount Summation Component, Outstanding Principal Balance, Percentage	130.00%
Control Redemption Amount Summation Component, Accrued And Unpaid Interest, Percentage	100.00%
2012 $0.15 Warrants [Member]
Note 10 - Fair Value Measurements (Details) [Line Items]
Fair Value Assumptions, Exercise Price (in Dollars per share)	$ 0.15
2012 $0.25 Warrants [Member]
Note 10 - Fair Value Measurements (Details) [Line Items]
Fair Value Assumptions, Exercise Price (in Dollars per share)	$ 0.25
February 2013 SPA Option [Member]
Note 10 - Fair Value Measurements (Details) [Line Items]
Options Exercised, Right To Purchase Common Stock, Number Of Shares	1
Options Exercised, Right To Purchase Common Stock Warrants, Number Of Warrants	1
September 2013 SPA Option [Member]
Note 10 - Fair Value Measurements (Details) [Line Items]
Options Exercised, Right To Purchase Common Stock, Number Of Shares	1
Options Exercised, Right To Purchase Common Stock Warrants, Number Of Warrants	1