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Note 8 - Income Taxes - Deferred Tax Assets and Liabilities (Details) (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
U.S. net operating loss carryforwards $ 1,733,000 $ 563,000
Stock compensation (29,000) 206,000
1,876,000 1,372,000
Valuation allowance (1,876,000) (1,372,000)
Net deferred tax assets
Foreign Tax Authority [Member]    
Canadian Provincial income tax losses 116,000 402,000
Canadian Provincial scientific investment tax credits $ 56,000 $ 201,000