Note 6 - Debt - Principal Balances on Notes Payable (Details) - Notes Payable [Member] - USD ($) $ in Thousands |
3 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
|||||||||||||||
| Less unamortized loan issuance costs | $ (5,048) | $ (5,424) | ||||||||||||||
| Less discount on notes payable | $ (10,300) | (11,112) | ||||||||||||||
| St Louis Cardinal Lot DST LLC [Member] | ||||||||||||||||
| Interest rate | 5.25% | |||||||||||||||
| Debt Instrument, Maturity Date | Jun. 06, 2027 | |||||||||||||||
| Debt balance | $ 6,000 | 6,000 | ||||||||||||||
| Mabley Place Garage LLC [Member] | ||||||||||||||||
| Interest rate | [1] | 7.29% | ||||||||||||||
| Debt Instrument, Maturity Date | [1] | Dec. 04, 2027 | ||||||||||||||
| Debt balance | [1] | $ 11,721 | 11,791 | |||||||||||||
| Keybank Loan Pool 2027 [Member] | ||||||||||||||||
| Interest rate | [2],[3] | 7.94% | ||||||||||||||
| Debt Instrument, Maturity Date | [3] | Mar. 01, 2029 | ||||||||||||||
| Debt balance | [3] | $ 5,752 | 5,767 | |||||||||||||
| Series 2025-1 Class A-2 Notes [Member] | ||||||||||||||||
| Interest rate | [4] | 4.15% | ||||||||||||||
| Debt Instrument, Maturity Date | [4] | Oct. 30, 2030 | ||||||||||||||
| Debt balance | [4] | $ 99,000 | 99,600 | |||||||||||||
| CMBS Loan 2034 [Member] | ||||||||||||||||
| Interest rate | [5],[6] | 7.76% | ||||||||||||||
| Debt Instrument, Maturity Date | [6] | Dec. 06, 2034 | ||||||||||||||
| Debt balance | [6] | $ 66,929 | 75,149 | |||||||||||||
| Mabley LOC [Member] | ||||||||||||||||
| Debt Instrument, Maturity Date | [7] | Nov. 10, 2031 | ||||||||||||||
| Debt balance | [7] | $ 27 | $ 0 | |||||||||||||
| ||||||||||||||||