Note 8 - Mortgage and Other Indebtedness - Schedule of Minimum Debt Service Coverage (Details)	Dec. 31, 2024		Dec. 31, 2023
Hollinswood Shopping Center [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.4
Vista Shops At Golden Mile [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.25
Brookhill Azalea Shopping Center [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.3
Crestview Shopping Center [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.25
Highlandtown Village Shopping Center [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.25
Cromwell Field Shopping Center [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.2	[1]	1.2
Lamar Station Plaza West [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.3
Midtown Row [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.15
Coral Hills Shopping Center [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.2
West Broad Shopping Center [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.25
The Shops At Greenwood Village [Member]
Debt Instrument [Line Items]
Minimum Debt Service Coverage Ratio	1.4

[1] The debt service coverage ratio testing commenced December 31, 2023 with the following requirements: (i) 1.20 to 1.00 as of December 31, 2023; (ii) 1.20 to 1.00 as of December 31, 2024 and (iii) 1.35 to 1.00 as of December 31, 2025 and for the remaining term of the loan.