Leases - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) facility	Sep. 30, 2021 USD ($)	Dec. 31, 2021 lease
Lessee, Lease, Description [Line Items]
Non-cash lease expense | $		$ 92	$ 175	$ 307	$ 602
Operating lease, payments | $		$ 110	$ 189	408	640
Impairment charges - right of use asset | $	$ 179			$ 179	$ 0
Number of leases entered | lease						1
Number of lease modified | lease						1
Number of leases exited | lease						2
Los Angeles, California
Lessee, Lease, Description [Line Items]
Number of facilities | facility				3
Austin, Texas
Lessee, Lease, Description [Line Items]
Number of facilities | facility				1