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Property and Equipment

12 Months Ended

Dec. 31, 2022

Property and Equipment

Property and Equipment

4.           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	​	​	​

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- References

No definition available.

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- Definition

The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 360
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI https://asc.fasb.org/topic&trid=2155823

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 360
-Section 50
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 360
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916

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