Note 14 - Income Taxes - Income Before Taxes (Details) - USD ($)	6 Months Ended	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
U.S.			$ 2,067,224	$ 6,983,223
Foreign			290,897	651,678
Income before income taxes	$ 2,358,121	$ 7,634,901	$ 2,358,121	$ 7,634,901

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details