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Leases (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2023
USD ($)
ft²
Sep. 30, 2022
USD ($)
Apr. 21, 2023
Dec. 31, 2022
USD ($)
Right-of-use assets:        
Operating lease right-of-use asset $ 1,058     $ 334
Operating lease liabilities:        
Accrued expenses $ 170     $ 222
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accrued expenses     Accrued expenses
Operating lease liability, non-current portion $ 916     $ 117
Present value of lease liability $ 1,086     $ 339
Remaining lease term 4 years 10 months 24 days      
Discount rate 5.00%      
Operating cash outflows $ 300 $ 300    
Office space in Minneapolis, Minnesota        
Lessee, Lease, Description [Line Items]        
Area of land leased | ft² 23,890      
Lessee, Operating Lease, Existence of Option to Extend [true false] true      
Lessee, Operating Lease, Renewal Term 3 years   49 months