Note 5 - Fair Value Measurements (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss)	$ 0		$ 0
Goodwill, Impairment Loss	$ 2,254,624	$ 0	$ 2,254,624	$ 0
Measurement Input, Discount Rate [Member]
Reporting Unit, Measurement Input	22.50%		22.50%
Measurement Input, Long-Term Revenue Growth Rate [Member]
Reporting Unit, Measurement Input	3.00%		3.00%