Note 14 - Income Taxes (Details Textual)	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CAD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 CAD ($)	Dec. 31, 2017
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	21.00%	34.00%
Deferred Tax Assets, Valuation Allowance, Total	$ 919,493		$ 275,846
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	643,647		173,037
Tax Credit Carryforward, Amount	3,903,000
British Columbia Provincial Government [Member]
Proceeds from Tax Credit	$ 98,075	$ 130,145	$ 89,521	$ 116,085