XML 52 R13.htm IDEA: XBRL DOCUMENT v3.25.1

Equipment and Software

12 Months Ended

Dec. 31, 2024

Equipment and Software

Equipment and Software

7. Equipment and Software

The movements in the Company’s capital equipment are as follows:

​

​	​	​	​	​	​	​
​		​		​		​
Cost	​	Equipment		​	Software (1)
December 31, 2022		$	2,963	​	$	863
Additions		​	331	​		780
December 31, 2023		$	3,294	​	$	1,643
Additions		​	—	​		285
December 31, 2024		$	3,294	​	$	1,928
​	​	​	​	​	​	​
Accumulated depreciation		​		​		​
December 31, 2022		$	(1,801)	​	$	—
Amortization for the year		​	(360)	​		—
December 31, 2023		$	(2,161)	​	$	—
Amortization for the year		​	(362)	​		—
December 31, 2024		$	(2,523)	​	$	—
​	​	​	​	​	​	​
Net book value		​	​	​		​
As at December 31, 2023		$	1,133	​	$	1,643
As at December 31, 2024		$	771	​	$	1,928

(1) The software is under development and not in use.

X

- References

No definition available.

+ Details

Name:	tmc_PropertyPlantAndEquipmentAndIntangibleAssetsAbstract
Namespace Prefix:	tmc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for intangible assets and long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/350-30/tableOfContent

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/350-20/tableOfContent

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/360/tableOfContent

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAndIntangibleAssetsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration