XML 229 R79.htm IDEA: XBRL DOCUMENT v3.25.2

Commitments and Contingencies (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2025

Dec. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Schedule of Lease Costs

The elements of the Company’s lease costs were as follows (in thousands):

​	​	​	​	​	​	​
​		Six Months Ended June 30,
​		2025			2024
Operating lease cost	​	$	1,512	​	$	3,154
Finance lease cost:	​			​
Amortization of lease assets	​		439	​		1,008
Interest on lease liabilities	​		31	​		159
Total finance lease cost	​		470	​		1,167
Variable lease cost	​		209	​		672
​	​	​	​	​	​	​
Total lease cost	​	$	2,191	​	$	4,993

The elements of the lease costs were as follows (in thousands):

​	​	​	​	​	​	​
​	​	Years Ended December 31,
​		2024			2023
Operating lease cost	​	$	5,245	​	$	5,774
Finance lease cost:	​			​
Amortization of lease assets	​		1,584	​		1,187
Interest on lease liabilities	​		217	​		139
Total finance lease cost	​		1,801	​		1,326
Variable lease cost	​		1,071	​		1,733
Short term lease cost	​		671	​		—
Total lease cost	​	$	8,788	​	$	8,833

Schedule of Lease Term and Discount Rate Information

Lease term and discount rate information related to leases was as follows:

​	​	​	​	​	​
​		June 30,			​
​		2025		2024	​
Weighted-average remaining lease term (in years)					​
Operating leases		2.5		2.5	​
Finance leases		0.3		1.4	​
Weighted-average discount rate					​
Operating leases		10.0	%	9.8	%
Finance leases		9.0	%	9.0	%

Lease term and discount rate information related to leases was as follows:

​	​	​	​	​	​
​	​	December 31,
​		2024		2023
Weighted-average remaining lease term (in years)					​
Operating leases		2.7		2.6	​
Finance leases		0.8		1.5	​
Weighted-average discount rate					​
Operating leases		9.9	%	9.8	%
Finance leases		9.0	%	9.0	%

Schedule of Supplemental Cash Flow Information

Supplemental cash flow information was as follows (in thousands):

​	​	​	​	​	​	​
​		Six Months Ended June 30,
​		2025			2024
Cash paid for amounts included in the measurement of lease liabilities:		​			​
Operating cash used in operating leases	​	$	927	​	$	3,203
Operating cash used in finance leases	​	$	31	​	$	159
Financing cash used in finance leases	​	$	576	​	$	906

Supplemental cash flow information was as follows (in thousands):

​	​	​	​	​	​	​
​	​	Years Ended
​	​	December 31,
​		2024			2023
Cash paid for amounts included in the measurement of lease liabilities:		​			​
Operating cash used in operating leases	​	$	5,807	​	$	5,764
Operating cash used in finance leases	​	$	217	​	$	139
Financing cash used in finance leases	​	$	1,429	​	$	1,301

Schedule of Future Maturities of Lease Liabilities

Future maturities of lease liabilities were as follows as of June 30, 2025 (in thousands):

​	​	​	​	​	​	​
​		Operating			Finance
​	​	Leases		​	Leases
Fiscal year ending:		​			​
2025 (remaining six months)	​	$	671	​	$	336
2026	​		226	​		20
2027	​		233	​		—
2028	​		240	​		—
2029	​		184	​		—
​	​	​	​	​	​	​
Total future minimum payments	​		1,554	​		356
Less imputed interest	​		(203)	​		(7)
Present value of lease liabilities	​	$	1,351	​	$	349

Future maturities of lease liabilities were as follows as of December 31, 2024 (in thousands):

​	​	​	​	​	​	​
​		Operating			Finance
​	​	Leases		​	Leases
Fiscal year ending:		​			​
2025	​	$	927	​	$	942
2026	​		225	​		21
2027	​		233	​		—
2028	​		240	​		—
2029	​		184	​		—
Thereafter	​		—	​		—
Total future minimum payments	​		1,809	​		963
Less imputed interest	​		(253)	​		(38)
Present value of lease liabilities	​	$	1,556	​	$	925

X

- Definition

The tabular disclosure of ease term and discount rate information relating to operating and finance leases.

+ References

No definition available.

+ Details

Name:	carm_LesseeOperatingAndFinanceLeaseLeaseTermAndDiscountRateInformationTableTextBlock
Namespace Prefix:	carm_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability and finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

No definition available.

+ Details

Name:	carm_LesseeOperatingAndFinanceLeaseLiabilityFiscalYearMaturityTableTextBlock
Namespace Prefix:	carm_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The tabular disclosure of supplemental cash flow information relating to operating and finance leases.

+ References

No definition available.

+ Details

Name:	carm_LesseeOperatingAndFinanceLeaseSupplementalCashFlowInformationTableTextBlock
Namespace Prefix:	carm_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

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