Note 8 - Related-party Transactions (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|---|
Oct. 10, 2024 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Jun. 30, 2024 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Ironhound Management [Member] | ||||||
| Related Party Transaction, Amounts of Transaction | $ 500 | |||||
| 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 | $ 60 | 180 | $ 237 | ||
| Related Party Transaction, Amounts of Transaction | (60) | (60) | $ (180) | (237) | ||
| Reimbursable Payroll Expense [Member] | ||||||
| Related Party Transaction, Amounts of Transaction | (25) | (124) | $ (259) | (69) | ||
| Related Party Transaction, Amounts of Transaction | $ 25 | $ 124 | $ 259 | $ 69 | ||