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Commitment and Contingencies - Narrative (Details) - USD ($) |  |  |  |  |  |  |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
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Mar. 04, 2024 | Jan. 12, 2024 | Nov. 16, 2023 | Oct. 23, 2023 | Oct. 18, 2023 | Oct. 05, 2023 | Feb. 27, 2023 | Jul. 20, 2022 | Jun. 30, 2021 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2022
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other expense |  |  |  |  |  |  |  |  |  | $ (52,000) | $ 59,000 | $ (38,000) | $ (399,000) |
Percentage of equity interest sold by co-founders |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |
Payments to co-founders |  |  |  |  |  |  |  |  | $ 40,000,000 |  |  |  |  |
Additional payments owed to co-founders |  |  |  |  |  |  | $ 10,000,000 |  | 10,000,000.0 |  |  |  |  |
Minimum proceeds from sale of business and other capital raising transactions |  |  |  |  |  |  |  |  | 250,000,000.0 |  |  |  |  |
Aggregate cost | $ 4,000,000 | $ 4,000,000.0 |  |  |  |  | $ 10,000,000 |  |  |  |  |  |  |
Consideration Due within 10 Business Days |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional payments owed to co-founders |  |  |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |
Threshold period |  |  |  |  |  |  |  |  | 10 days |  |  |  |  |
Minimum proceeds from sale of business and other capital raising transactions |  |  |  |  |  |  |  |  | $ 250,000,000 |  |  |  |  |
Baker Mckenzie |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingency recorded as a result of settlement |  |  |  |  |  |  |  |  |  | 8,500,000 |  | 8,500,000 |  |
Estimated insurance recoveries |  |  |  |  |  |  |  |  |  | 4,000,000.0 |  | 4,000,000.0 |  |
Reduction in litigation settlement contingency |  |  | $ 3,500,000 |  |  | $ 1,000,000.0 |  |  |  |  |  |  |  |
Other expense |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,500,000
National Security Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Legal expenses |  |  |  |  |  |  |  |  |  | $ 100,000 |  | $ 100,000 |  |
SAFE Note Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alleged investment amount |  |  |  |  |  |  |  | $ 4,000,000 |  |  |  |  |  |
Common stock issued (in shares) |  |  |  |  |  |  |  | 14,500 |  |  |  |  |  |
SAFE Note Litigation | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages sought |  |  |  |  |  |  |  | $ 7,600,000 |  |  |  |  |  |
Founder Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for legal settlements |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |
Stephen J. Purcell |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages sought |  |  |  | $ 80,000 |  |  |  |  |  |  |  |  |  |

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