Note 9 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Income (loss) before income taxes									$ 646	$ (6,406)
Tax rate									21.00%	21.00%
Income tax expense (benefit) at federal statutory rate									$ 136	$ (1,344)
State taxes, net of federal benefit									57	(114)
Permanent differences									0	43
Noncontrolling interests									(10)	0
Change in rate									(18)	(17)
Change in uncertain tax positions									41	29
Other									95	(126)
Income tax provision (benefit)	$ 169	$ 69	$ (2)	$ 65	$ (164)	$ (611)	$ (588)	$ (166)	$ 301	$ (1,529)
Effective tax rate									46.50%	23.90%