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Note 8 - Collaborative Agreements (Details Textual) - USD ($)
3 Months Ended 136 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
University of Toronto [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 1   $ 1
University of Toronto [Member] | Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     10 years
University of Toronto [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures     25,000
Professor [Member] | Maximum [Member] | Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     13 years
Professor [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 1   $ 1
Professor [Member] | Minimum [Member] | Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     10 years
Professor [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures     275,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares 125,000   125,000
In Process Research and Development [Member]      
Research and Development Expense $ 3,000 $ 7,056  
Research and Development Expense $ 48,515 $ 21,449