Note 12 - Commitments (Details Textual)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 GBP (£)	Dec. 31, 2019 m²	Mar. 31, 2019 ft²
Operating Lease, Expense			$ 24,827	$ 20,065
Royalty Expense	$ 10,121	$ 18,458	$ 27,003	$ 27,874
Executive Chairman [Member]
Consulting Agreement, Monthly Payment, Percentage					2.50%	2.50%
Executive Chairman [Member] | Minimum [Member]
Consulting Agreement, Monthly Payment					$ 11,000
Executive Chairman [Member] | Maximum [Member]
Consulting Agreement, Monthly Payment					$ 25,000
Chief Executive Officer [Member]
Consulting Agreement, Monthly Payment, Percentage					2.50%	2.50%
Consulting Agreement, Monthly Payment | £						£ 5,000
Chief Executive Officer [Member] | Minimum [Member]
Consulting Agreement, Monthly Payment					$ 7,500
Chief Executive Officer [Member] | Maximum [Member]
Consulting Agreement, Monthly Payment					$ 25,000
Facility in Vancouver, Canada [Member]
Lessee, Operating Lease, Term of Contract (Year)								5 years
Lessee, Operating Lease, Area of Property (Square Foot) | ft²								1,459
Netanya, Israel Lease [Member]
Lessee, Operating Lease, Term of Contract (Year)							1 year
Lessee, Operating Lease, Area of Property (Square Foot) | m²							190