Note 8 - Related-party Transactions (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Oct. 10, 2024 |
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Ironhound Management [Member] | |||
| Related Party Transaction, Amounts of Transaction | $ 500 | ||
| Consulting Services, Initial Fee | $ 125 | ||
| Overhead Charged Related to Office Expenses [Member] | |||
| Related Party Transaction, Amounts of Transaction | 60 | $ 58 | |
| Reimbursable Payroll Expense [Member] | |||
| Related Party Transaction, Amounts of Transaction | $ 117 | $ 47 | |