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Note 9 - Subsequent Events (Details Textual) - $ / shares
Apr. 24, 2017
Mar. 31, 2017
Dec. 31, 2016
Oct. 04, 2016
Common Stock, Par or Stated Value Per Share   $ 0.01 $ 0.01 $ 0.01
Subsequent Event [Member] | Consultant [Member]        
Stock Issued During Period, Shares, Issued for Services 100,000      
Common Stock, Par or Stated Value Per Share $ 0.01