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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

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