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Note 10 - Summary of Stock Options (Details) - Valuation Assumptions for Stock Options
9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 99 Months Ended
Sep. 30, 2014
Dec. 30, 2013
Sep. 30, 2014
Employee Stock Option [Member]
Sep. 30, 2013
Employee Stock Option [Member]
Dec. 31, 2013
Employee Stock Option [Member]
Dec. 31, 2012
Employee Stock Option [Member]
Dec. 31, 2013
Employee Stock Option [Member]
Note 10 - Summary of Stock Options (Details) - Valuation Assumptions for Stock Options [Line Items]              
Expected term (in years)     5 years 5 years 5 years 5 years  
Average volatility     61.00% 67.00%      
Risk-free interest rate     1.80% 0.87% 0.84%    
Dividend yield 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%