Note 6 - Property and Equipment - Property and Equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cost, Beginning Balance	$ 1,275,796	$ 987,493
Cost, Additions	301,212	290,513
Cost, Disposals	(286,016)	(2,210)
Cost, Ending Balance	1,290,993	1,275,796
Accumulated Depreciation, Beginning Balance	546,654	270,405
Accumulated Depreciation, Depreciation	305,914	277,150
Accumulated Depreciation, Disposals	(144,582)	(901)
Accumulated Depreciation, Ending Balance	707,986	546,654
Property, Plant and Equipment, Net, Ending Balance	583,007	729,142
Computer Equipment [Member]
Cost, Beginning Balance	385,868	170,002
Cost, Additions	1,944	218,076
Cost, Disposals	(23,648)	(2,210)
Cost, Ending Balance	364,165	385,868
Accumulated Depreciation, Beginning Balance	192,434	104,918
Accumulated Depreciation, Depreciation	86,382	88,417
Accumulated Depreciation, Disposals	(22,370)	(901)
Accumulated Depreciation, Ending Balance	256,446	192,434
Property, Plant and Equipment, Net, Ending Balance	107,719	193,434
Furniture and Fixtures [Member]
Cost, Beginning Balance	185,294	181,879
Cost, Additions		3,415
Cost, Disposals	(64,013)
Cost, Ending Balance	121,281	185,294
Accumulated Depreciation, Beginning Balance	56,202	29,585
Accumulated Depreciation, Depreciation	18,588	26,617
Accumulated Depreciation, Disposals	(29,279)
Accumulated Depreciation, Ending Balance	45,511	56,202
Property, Plant and Equipment, Net, Ending Balance	75,770	129,092
Laboratory Equipment [Member]
Cost, Beginning Balance	355,987	352,637
Cost, Additions		3,350
Cost, Disposals	(121,900)
Cost, Ending Balance	234,087	355,987
Accumulated Depreciation, Beginning Balance	168,215	99,696
Accumulated Depreciation, Depreciation	65,668	68,519
Accumulated Depreciation, Disposals	(55,702)
Accumulated Depreciation, Ending Balance	178,181	168,215
Property, Plant and Equipment, Net, Ending Balance	55,906	187,772
Leasehold Improvements [Member]
Cost, Beginning Balance	348,647	282,975
Cost, Additions	299,268	65,672
Cost, Disposals	(76,455)
Cost, Ending Balance	571,460	348,647
Accumulated Depreciation, Beginning Balance	129,803	36,206
Accumulated Depreciation, Depreciation	135,276	93,597
Accumulated Depreciation, Disposals	(37,231)
Accumulated Depreciation, Ending Balance	227,848	129,803
Property, Plant and Equipment, Net, Ending Balance	$ 343,612	$ 218,844