Leases - Summary of Activity for Our Right of Use Assets And Lease Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Right-of-Use Asset
Beginning balance	$ 142	$ 659	$ 659
Additions	0		11
Terminations and modifications	0
Non-cash lease expense from right-of-use asset	(43)	(127)	(349)
Impairment charges	0		(179)
Ending balance	99		142
Operating Lease Liabilities
Beginning balance	236	$ 728	728
Additions	0		11
Terminations and modifications	0
Non-cash lease expense and payments	(97)		(503)
Impairment charges	0		0
Ending balance	$ 139		$ 236