Property and Equipment - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Property and equipment	$ 2,747	$ 2,517
Less accumulated depreciation	(2,239)	(1,945)
Property and equipment, net	563	756
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment	112	112
Manufacturing Equipment
Property Plant And Equipment [Line Items]
Property and equipment	1,001	940
Computer and Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment	102	102
System and Laser
Property Plant And Equipment [Line Items]
Property and equipment	1,204	1,219
Software
Property Plant And Equipment [Line Items]
Property and equipment	240	56
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment	50	50
Transportation Equipment
Property Plant And Equipment [Line Items]
Property and equipment	38	38
Construction in Progress
Property Plant And Equipment [Line Items]
Construction in progress	$ 55	$ 184