Segment Reporting and Information about Geographical Areas (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Segment Reporting [Abstract] | ||||||
| Revenue, net | $ 99 | $ 654 | $ 231 | $ 3,392 | $ 3,276 | $ 1,536 |
| Cost of revenues | (392) | (83) | (704) | (560) | (1,488) | (6,964) |
| Gross profit (loss) | (293) | 571 | (473) | 2,832 | 1,788 | (5,428) |
| Income from grants | 1 | 424 | 43 | 1,262 | 887 | 1,582 |
| Research and development expenses | (342) | (695) | (698) | (2,110) | (3,225) | (7,567) |
| Administrative and selling expenses | (1,956) | 2,374 | (4,206) | (3,819) | ||
| Sublease income | 145 | 145 | 543 | |||
| Amortization of intangibles | (7) | (1) | (14) | (2) | (29) | (207) |
| Credit loss – customer contracts | (328) | (515) | (3,617) | (1,048) | ||
| Impairment losses | ||||||
| Operating loss | (2,925) | 2,673 | (5,863) | (1,692) | (18,369) | (50,713) |
| Fair value change of warrant liability | 59 | 59 | 394 | |||
| Finance income / (expenses), net | (325) | (54) | (569) | (286) | (535) | 104 |
| Foreign exchange gains / (losses), net | 293 | (156) | 394 | (165) | (272) | 101 |
| Loss Contingency | (840) | 36 | (1,034) | (4,871) | (4,724) | |
| Net gains/ (losses) on disposal/write-offs of property, plant and equipment and intangible assets | (12,714) | (12,735) | (6,235) | |||
| Other income / (expenses), net | 2 | 2 | 6 | 7 | (870) | |
| Segment and consolidated net loss before income taxes | $ (3,797) | $ (10,213) | $ (7,070) | $ (19,684) | (30,069) | (50,984) |
| Administrative and selling expenses | (14,318) | (28,825) | ||||
| Impairment losses | $ (9,763) | |||||
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest income (expense) classified as operating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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