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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Schedule of Property, Machinery and Equipment, Net | The estimated useful lives of fixed assets by asset category are described below:
Fixed Assets |  | Estimated Useful Life
Computer equipment |  | Three years
Furniture and fixtures |  | Five years
Leasehold improvements |  | Lesser of estimated useful life or remaining lease term (one year to seven years)
Machinery and equipment |  | Seven years
Property, machinery and equipment, net consisted of the following:
(in thousands) | December 31, 2024 |  | December 31, 2023
Computer equipment | $ | 10 |  |  | $ | 10 |
Leasehold improvements | 2,391 |  |  | 2,394 |
Machinery and equipment | 2,839 |  |  | 3,411 |
Property, machinery and equipment, gross | 5,240 |  |  | 5,815 |
Less: accumulated depreciation | (3,058) |  |  | (2,563) |
Property, machinery and equipment, net | $ | 2,182 |  |  | $ | 3,252 |
Schedule of Disaggregation of Revenue | The disaggregation of revenue by type is as follows:
|  |  | Year Ended December 31,
(in thousands) |  |  |  |  | 2024 |  | 2023
Transportation services |  |  |  |  | $ | — |  |  | $ | 1,582 |
Hosted payload services |  |  |  |  | — |  |  | 568 |
Forfeited customer deposits |  |  |  |  | 307 |  |  | 641 |
Engineering project services |  |  |  |  | 1,807 |  |  | 298 |
Total revenue |  |  |  |  | $ | 2,114 |  |  | $ | 3,089 |
Schedule of Changes in Fair Value of Liabilities | The change in fair values of liabilities subject to recurring remeasurement were as follows:
(in thousands) |  | Warrant Liability (Level 3) |  |  |  |  |  |
Balance, December 31, 2023 |  | $ | 3 |  |  |  |  |  |  |
Change in Fair Value |  | — |  |  |  |  |  |  |
Balance, December 31, 2024 |  | $ | 3 |  |  |  |  |  |  |

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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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