Note 16 - Subsequent Events (Details Textual) - USD ($) shares in Thousands, $ in Thousands |
2 Months Ended | 3 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Mar. 15, 2026 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Impairment, Oil and Gas, Property with Unproved and Proved Reserves | $ 3,628 | $ 11,918 | ||
| Forecast [Member] | Minimum [Member] | ||||
| Impairment, Oil and Gas, Property with Unproved and Proved Reserves | $ 500 | |||
| Forecast [Member] | Maximum [Member] | ||||
| Impairment, Oil and Gas, Property with Unproved and Proved Reserves | $ 1,500 | |||
| Common Stock Purchase Agreement [Member] | ||||
| Stock Issued During Period, Shares, New Issues (in shares) | 0 | |||
| Subsequent Event [Member] | Common Stock Purchase Agreement [Member] | ||||
| Stock Issued During Period, Shares, New Issues (in shares) | 8,500 | |||
| Proceeds from Issuance or Sale of Equity | $ 9,300 | |||