XML 39 R26.htm IDEA: XBRL DOCUMENT v3.22.0.1

Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property and Equipment

Schedule of property and equipment

Property and equipment (in thousands), together with the related estimated useful lives at December 31, 2021 and 2020, were as follows:

​	​	​	​	​	​	​	​	​	​
​	​	December 31,					​	​
​		2021			2020		​	Useful Lives
Land, building and other	​	$	15,156	​	$	16,070	​		3 to 40 years
Recording equipment	​		148,330	​		158,619	​		5 to 10 years
Vibrator energy sources	​		69,239	​		73,852	​		5 to 15 years
Vehicles	​		20,341	​		22,939	​		1.5 to 10 years
​	​		253,066	​		271,480	​	​	​
Less accumulated depreciation	​		(226,717)	​		(232,580)	​	​	​
Property and equipment, net	​	$	26,349	​	$	38,900	​	​	​

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 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://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