Number of equal quarterly installments in debt repayment.

No definition available.

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Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

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Period Type:	instant

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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Period Type:

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Bonds, mortgages and other long-term debt - PGE Loans (Details)			5 Months Ended		12 Months Ended
	Jun. 13, 2023	Jul. 15, 2021 installment	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2025 EUR (€)	Jun. 14, 2022 EUR (€)	Jun. 15, 2020 EUR (€)
Bonds, mortgages and other long-term debt
Noncurrent liabilities			$ 989,000		$ 989,000			€ 842,000
Current portion of debt			689,000		689,000			586,000
Effective interest expense \| $					223,000	$ 1,003,000	$ 689,000
PGE loans (Soutien Innovation loan - Bpifrance)
Bonds, mortgages and other long-term debt
Current portion of debt			88,100		88,100			75,000
Effective interest expense			3,296	€ 2,827
PGE loans (Soutien Innovation loan - Bpifrance) \| IC'Alps SAS
Bonds, mortgages and other long-term debt
Debt amount granted										€ 600,000
Number of equal quarterly debt repayment installments \| installment		20
Fixed interest rate (in %)		3.35%
PGE loans (BNP Paribas)
Bonds, mortgages and other long-term debt
Noncurrent liabilities			89,911		89,911			76,542
Current portion of debt			141,339		$ 141,339			€ 120,333
Effective interest expense			$ 3,927	€ 3,368
PGE loans (BNP Paribas) \| IC'Alps SAS
Bonds, mortgages and other long-term debt
Debt amount granted									€ 300,000
Debt term	60 months
Fixed interest rate (in %)	3.75%