Note 11 - Income Taxes - Income Tax Provision (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Federal	$ 0	$ (410,069)
State	0	0
Foreign	0	6,995
Total Current	0	(403,074)
Federal	0	0
State	0	0
Foreign	0	0
Total Deferred	0	0
Income tax expense	$ (0)	$ (403,074)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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