Note 9 - Related Party Receivables (Details Textual) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Accounts Receivable, after Allowance for Credit Loss, Current | $ 1,098,606 | $ 342,866 |
| Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] | Prime Rate [Member] | |
| Doran Canterbury I and II Joint Ventures [Member] | ||
| Financing Receivable, after Allowance for Credit Loss | $ 4,784,000 | 4,657,000 |
| Financing Receivable, Interest Rate | 2.00% | |
| Interest Receivable | $ 1,487,000 | 1,284,000 |
| Related Party [Member] | ||
| Accounts Receivable, after Allowance for Credit Loss, Current | $ 76,000 | $ 19,000 |
| X | ||||||||||
- Definition Interest rate on financing receivable. No definition available.
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Indicates type of variable interest rate on debt instrument. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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