Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets
Net operating loss carryforwards	$ 27,210	$ 24,899
Available for Sale Securities	2,064	390
Lease liability	532	341
Other	1,580	230
Fixed assets and intangibles	25	89
Capitalized research and development costs	1,929	0
Total deferred tax assets	33,340	25,949
Deferred tax liabilities
ROU asset	(515)	(344)
Fixed assets and intangibles	(479)	0
Total deferred tax liabilities	(994)	(344)
Valuation allowance	(32,346)	(25,605)
Net deferred taxes	$ 0	$ 0