Note 15 - Fair Value of Financial Instruments - Schedule of Carrying Amounts and Fair Values of Assets and Liabilities Measured at Fair Value on a Non Recurring Basis (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Reported Value Measurement [Member]
Assets, Fair Value Disclosure [Abstract]
Cash and cash equivalents	$ 726	$ 16,160
Restricted cash	24	4,574
Reported Value Measurement [Member] | Variable Rate Debt [Member]
Liabilities, Fair Value Disclosure [Abstract]
Mortgage and other indebtedness, net - carrying amount		51,666
Reported Value Measurement [Member] | Fixed Rate Debt [Member]
Liabilities, Fair Value Disclosure [Abstract]
Mortgage and other indebtedness, net - carrying amount		180,587
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]
Assets, Fair Value Disclosure [Abstract]
Cash and cash equivalents	726	16,160
Restricted cash	24	4,574
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]
Assets, Fair Value Disclosure [Abstract]
Cash and cash equivalents	0
Restricted cash	$ 0
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Variable Rate Debt [Member]
Liabilities, Fair Value Disclosure [Abstract]
Mortgage and other indebtedness, net - fair value		51,666
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Fixed Rate Debt [Member]
Liabilities, Fair Value Disclosure [Abstract]
Mortgage and other indebtedness, net - fair value		$ 181,561