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	Mar. 31, 2024	Dec. 31, 2023
Reported Value Measurement [Member]
Assets, Fair Value Disclosure [Abstract]
Cash and cash equivalents	$ 14,631	$ 9,779
Restricted cash	2,650	4,018
Reported Value Measurement [Member] | Variable Rate Debt [Member]
Liabilities, Fair Value Disclosure [Abstract]
Mortgage and other indebtedness, net - carrying amount	60,852	61,056
Reported Value Measurement [Member] | Fixed Rate Debt [Member]
Liabilities, Fair Value Disclosure [Abstract]
Mortgage and other indebtedness, net - carrying amount	162,146	155,844
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]
Assets, Fair Value Disclosure [Abstract]
Cash and cash equivalents	14,631	9,779
Restricted cash	2,650	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	60,852	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	$ 162,293	$ 159,065