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Note 3 - Fair Value Measurements (Details) - Fair Value Quantitative Information (USD $)
2 Months Ended 3 Months Ended
Feb. 24, 2014
Mar. 10, 2014
March 2014 Warrants [Member]
Mar. 31, 2014
March 2014 Warrants [Member]
Mar. 31, 2014
March 2014 Warrants [Member]
Minimum [Member]
Mar. 10, 2014
March 2014 Warrants [Member]
Minimum [Member]
Mar. 31, 2014
March 2014 Warrants [Member]
Maximum [Member]
Mar. 10, 2014
March 2014 Warrants [Member]
Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]              
Derivative March 2014 Warrants   82.90% 83.30%        
5.04     0.0040 0.0040 0.0060 0.0060
  2 years 6 months 2 years 153 days        
  $ 0.00 $ 0.00        
  3.04% 4.82%