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Note 3 - Option Agreement (Details Textual) - USD ($)
 12 Months Ended
Mar. 20, 2012
Dec. 31, 2012
Dec. 31, 2017
Dec. 31, 2016
Option Agreement, Equity Interests Issuable, Percentage 5.00%      
Option Agreement, Exercise Price $ 1,000,000      
Option Agreement, Marketing, Expense   $ 18,000    
Option Agreement, Long-term Liability   $ 18,000 $ 0 $ 18,000