XML 39 R26.htm IDEA: XBRL DOCUMENT
v3.22.4

Property and Equipment (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Property and Equipment |
Schedule of property and equipment | Net book value of property and equipment (in thousands) decreased $8,222 or 31.1% from December 31, 2021 to December 31, 2022. This is primarily due to capital expenditure purchases of $1,778 during the year ended December 31, 2022 offset by depreciation expense of $9,795 for the same period. Property and equipment (in thousands), together with the related estimated useful lives at December 31, 2022 and 2021, were as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | ​ |
​ |  | 2022 |  | 2021 | ​ | Useful Lives
Land, building and other | ​ | $ | 12,553 | ​ | $ | 15,156 | ​ |  | 3 to 40 years
Recording equipment | ​ |  | 147,675 | ​ |  | 148,330 | ​ |  | 5 to 10 years
Vibrator energy sources | ​ |  | 64,110 | ​ |  | 69,239 | ​ |  | 5 to 15 years
Vehicles | ​ |  | 20,492 | ​ |  | 20,341 | ​ |  | 1.5 to 10 years
​ | ​ |  | 244,830 | ​ |  | 253,066 | ​ | ​ | ​
Less accumulated depreciation | ​ |  | (226,703) | ​ |  | (226,717) | ​ | ​ | ​
Property and equipment, net | ​ | $ | 18,127 | ​ | $ | 26,349 | ​ | ​ | ​

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration