Note 19 - Employee Benefit Plan (Details Textual) - Defined Contribution Plan, 401 K [Member] - Pension Plan [Member] - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay		100.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 301,000		$ 216,000	$ 527,000	$ 350,000