Leases (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($) ft²	Dec. 31, 2021 USD ($)
Right-of-assets:
Operating lease right-of-use asset	$ 391	$ 0
Operating Lease, Liability [Abstract]
Accrued expenses	$ 218
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses
Operating lease liability, non-current portion	$ 175	$ 0
Total operating lease liabilities	$ 393
Remaining lease term	1 year 9 months 18 days
Discount rate	5.00%
Operating cash outflows	$ 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	5 years