Note 15 - 401(k) and Profit-Sharing Plan (Details Textual) - Other Pension, Postretirement and Supplemental Plans [Member] - USD ($) $ in Thousands		1 Months Ended		12 Months Ended
	Jan. 01, 2023	Jan. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2022
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	100.00%		100.00%	50.00%
Defined Contribution Plan, Employer Matching Contribution, First Percent of Contributions Used in Company Match	4.00%		6.00%	4.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	4.00%		6.00%	2.00%
Liability, Defined Benefit Plan			$ 345	$ 24	$ 23
Subsequent Event [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match		100.00%
Defined Contribution Plan, Employer Matching Contribution, First Percent of Contributions Used in Company Match		4.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay		4.00%