Note 11 - Employee Benefit Plan (Details Textual) - USD ($)	3 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay		4.00%
Defined Contribution Plan, Cost	$ 93,728		$ 58,780