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Related Party Transactions (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Nov. 12, 2020
Related Party Transaction [Line Items] |  |  |
Revenue | $ 79,521,000 | $ 85,946,000 |
Related Party | KBR, Inc. | SNS |  |  |
Related Party Transaction [Line Items] |  |  |
Equity ownership percentage |  |  | 10.00%
Related Party | Axiom Space, Inc |  |  |
Related Party Transaction [Line Items] |  |  |
Revenue | 153,000 | 1,600,000 |
Accounts receivable | 0 | 800,000 |
Related Party | IBX, LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Management fee expense | 100,000 | 2,100,000 |
Accounts payable | 400,000 |  |
Related Party | KBR, Inc. |  |  |
Related Party Transaction [Line Items] |  |  |
Revenue | 3,100,000 | 1,900,000 |
Accounts receivable | 500,000 | 300,000 |
Related Party | X Energy, LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Accounts payable | 0 | 100,000 |
Related Party | Penumbra, LLC |  |  |
Related Party Transaction [Line Items] |  |  |
License fee expense | 0 | $ 134,000 |
Related Party | ASES |  |  |
Related Party Transaction [Line Items] |  |  |
Revenue | 1,100,000 |  |
Accounts receivable | $ 100,000 |  |

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