Note 10 - Income Taxes (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2020

Dec. 31, 2019

Notes Tables

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2020			2019
Income tax benefit at Canadian statutory rate		26.5	%		26.5	%
Valuation allowance		(26.5%	)		(26.5%	)
Effective income tax rate		0	%		0	%

	2019			2018
Income tax benefit at Canadian statutory rate		26.5	%		26.5	%
Valuation allowance		(26.5%	)		(26.5%	)
Effective income tax rate		0	%		0	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	March 31, 2020			December 31, 2 019
Deferred tax asset - net operating losses	$	6,900,000		$	6,800,000
Deferred tax asset valuation allowance		(6,900,000	)		(6,800,000	)
Net deferred tax asset	$	-		$	-

	2019			2018
Deferred tax asset - net operating losses	$	6,800,000		$	5,300,000
Deferred tax asset valuation allowance		(6,800,000	)		(5,300,000	)
Net deferred tax asset	$	-		$	-