Note 4 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant and Equipment, Gross | $ 133,751 | $ 125,613 |
| Less: accumulated depreciation | (75,270) | (72,666) |
| Property, plant and equipment, net | 58,481 | 52,947 |
| Liquefaction Plants and Systems [Member] | ||
| Property, Plant and Equipment, Gross | 57,480 | 57,341 |
| Building [Member] | ||
| Property, Plant and Equipment, Gross | 2,082 | 2,082 |
| Vehicles [Member] | ||
| Property, Plant and Equipment, Gross | 49,227 | 50,316 |
| Office Equipment [Member] | ||
| Property, Plant and Equipment, Gross | 1,233 | 897 |
| Construction in Progress [Member] | ||
| Property, Plant and Equipment, Gross | 23,698 | 14,946 |
| Leasehold Improvements [Member] | ||
| Property, Plant and Equipment, Gross | $ 31 | $ 31 |
| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|