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Note 2 - Fair Value Measurement (Details) - Warrant Liability (USD $)
Jun. 30, 2014
Apr. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Note 2 - Fair Value Measurement (Details) - Warrant Liability [Line Items]        
Ordinary share warrants       $ 296,000
Ordinary Share Warrants [Member] | Fair Value, Inputs, Level 3 [Member]
       
Note 2 - Fair Value Measurement (Details) - Warrant Liability [Line Items]        
Ordinary share warrants       296,000
Total       296,000
Ordinary Share Warrants [Member]
       
Note 2 - Fair Value Measurement (Details) - Warrant Liability [Line Items]        
Ordinary share warrants 0 318,000 306,000 296,000
Total       $ 296,000