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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	$ 1,899,000	$ 563,000
Stock compensation	(449,000)	206,000
	2,520,000	1,372,000
Valuation allowance	(2,520,000)	(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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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from income tax loss.

+ References

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation, net of forfeitures.

+ References

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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