Note 13 - 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, 2024	Dec. 31, 2023
Reported Value Measurement [Member]
Assets, Fair Value Disclosure [Abstract]
Cash and cash equivalents	$ 18,857	$ 9,779
Restricted cash	4,603	4,018
Reported Value Measurement [Member] | Variable Rate Debt [Member]
Liabilities, Fair Value Disclosure [Abstract]
Mortgage and other indebtedness, net - carrying amount	52,117	61,056
Reported Value Measurement [Member] | Fixed Rate Debt [Member]
Liabilities, Fair Value Disclosure [Abstract]
Mortgage and other indebtedness, net - carrying amount	181,009	155,844
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]
Assets, Fair Value Disclosure [Abstract]
Cash and cash equivalents	18,857	9,779
Restricted cash	4,603	4,018
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	52,117	61,056
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	$ 180,732	$ 159,065