Note 8 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands		3 Months Ended												12 Months Ended
		Dec. 31, 2025		Sep. 30, 2025		Jun. 30, 2025		Mar. 31, 2025		Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Income before income taxes		$ 119	[1]	$ 120	[1]	$ (31)	[1]	$ 41	[1]	$ 245	$ 138	$ 237	$ 79	$ 249	$ 699
U.S. federal statutory tax rate														$ 52	$ 147
U.S. federal statutory tax rate, percent														21.00%	21.00%
State and local income taxes, net of federal benefit (a)	[2]													$ 104	$ (9)
State and local income taxes, net of federal benefit (a), percent	[2]													41.80%	(1.30%)
Foreign tax effects														$ 0	$ 0
Foreign tax effects, percent														0.00%	0.00%
Effect of changes in tax laws or rates enacted in the current period														$ 0	$ 0
Effect of changes in tax laws or rates enacted in the current period, percent														0.00%	0.00%
Foreign-derived intangible income														$ (3)	$ (8)
Foreign-derived intangible income, percent														(1.20%)	(1.20%)
Tax credits														$ 0	$ 0
Tax credits, percent														0.00%	0.00%
Change in valuation allowance														$ 0	$ 0
Changes in valuation allowances, percent														0.00%	0.00%
Nontaxable or nondeductible items														$ 0	$ 2
Nontaxable or nondeductible items, percent														0.00%	0.30%
Changes in unrecognized tax benefits														$ (648)	$ 88
Changes in unrecognized tax benefits, percent														(260.20%)	12.60%
Income tax receivable (payable) true-up (b)	[3]													$ 6	$ (9)
Income tax receivable (payable) true-up (b), percent	[3]													2.40%	(1.30%)
Noncontrolling interests														$ (14)	$ (19)
Noncontrolling interests, percent														(5.60%)	(2.70%)
Other, net														$ (3)	$ (15)
Other, net, percent														(1.20%)	(2.10%)
Total income tax (benefit) expense		$ 126		$ (674)		$ 14		$ 28		$ 17	$ 48	$ 76	$ 36	$ (506)	$ 177
Effective tax rate, percent														(203.00%)	25.30%

[1] Basic and diluted earnings per share are calculated using actual, unrounded amounts. Therefore, the quarterly earnings per share may not sum to the earnings per share on the Consolidated Statements of Operations.

[2] For the year ended December 31, 2025, Florida and Massachusetts made up the majority (greater than 50%) of the tax effect in this category. For the year ended December 31, 2024, Florida, Massachusetts, and New York made up the majority (greater than 50%) of the tax effect of this category.

[3] This item represents adjustments to align the Company's estimated federal and state income tax provision with the final amounts reported on the filed federal or state tax return, including differences in timing, deductions, and credits.