Note 6 - Amounts Receivable |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 | |||
| Notes to Financial Statements | |||
| Loans, Notes, Trade and Other Receivables Disclosure [Text Block] |
Amounts receivable consisted primarily of accrued interest receivable on marketable securities of $285,000 and $250,000 as of March 31, 2026 and December 31, 2025, respectively. |