Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Apr. 01, 2019	Jan. 01, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Lessee, Operating Lease, Discount Rate			4.12%	12.00%
Accumulated Development Costs	$ 7,527,012	$ 7,256,571			$ 6,716,810	$ 6,512,023	$ 6,304,540	$ 5,768,476
Computer Equipment [Member]
Property, Plant and Equipment, Depreciation, Annual Percent	33.30%
Furniture and Fixtures [Member]
Property, Plant and Equipment, Depreciation, Annual Percent	20.00%
License Right of Use Asset [Member]
Lessee, Operating Lease, Discount Rate	12.00%
Rental Unit Right of Use Asset [Member]
Lessee, Operating Lease, Discount Rate	4.12%