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Leases (Details) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 07, 2023 ft² | Dec. 31, 2023 USD ($) ft² | Dec. 31, 2022 USD ($) | Apr. 21, 2023
Right-of-use assets: |  |  |  |
Operating lease right-of-use asset |  | $ 1,349 | $ 334 |
Operating lease liabilities: |  |  |  |
Accrued expenses |  | $ 231 | $ 222 |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Accrued expenses | Accrued expenses |
Operating lease liability, non-current portion |  | $ 1,160 | $ 117 |
Present value of lease liability |  | $ 1,391 |  |
Remaining lease term |  | 4 years 8 months 12 days |  |
Discount rate |  | 6.70% |  |
Operating cash outflows |  | $ 400 | $ 400 |
Office space in Minneapolis, Minnesota |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Area of land leased | ft² |  | 31,505 |  |
Lessee, Operating Lease, Renewal Term |  | 3 years |  | 49 years
Additional area of land leased | ft² | 7,615 |  |  |
Additional renewal term option | 57 years |  |  |
Lessee, Operating Lease, Existence of Option to Extend [true false] |  | true |  |

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