Income Taxes - Tax Effects of Temporary Differences and Carryforwards (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred Tax Assets [Abstract]
Inventory reserve	$ 320	$ 334
Fixed assets	471
Other reserves and accruals	181	181
Stock-based compensation	61	2
Other	84
Tax credit carryforwards	50	1,343
Federal tax loss carryforwards		204
State tax loss carryforwards		148
Foreign tax loss carryforwards		34
Total deferred income tax assets	1,167	2,246
Total deferred income tax liabilities	116	59
Net deferred tax assets	1,051	2,187
Deferred Tax Liabilities [Abstract]
Fixed assets	80	44
Other	36	15
Total deferred income tax liabilities	$ 116	$ 59