Note 2 - Investment in MRINetwork Operations (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | |||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Jan. 01, 2026 |
Jan. 01, 2025 |
|
| Payments to Acquire Equity Method Investments | $ 192 | $ (0) | ||
| Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal | 248 | $ 0 | ||
| MRINetwork [Member] | ||||
| Equity Method Investment, Ownership Percentage | 40.00% | 40.00% | ||
| Payments to Acquire Equity Method Investments, Total | 480 | |||
| Payments to Acquire Equity Method Investments | 192 | |||
| Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal | 248 | |||
| MRINetwork [Member] | Note Receivable [Member] | ||||
| Payments to Acquire Equity Method Investments | $ 286 | |||