Property and Equipment - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Components of Property, Plant and Equipment
Property and equipment	$ 17,195	$ 17,043
Less accumulated depreciation	(12,134)	(11,914)
Property and equipment, net	5,061	5,129
Land
Components of Property, Plant and Equipment
Property and equipment	886	886
Land improvements
Components of Property, Plant and Equipment
Property and equipment	520	520
Buildings and leasehold improvements
Components of Property, Plant and Equipment
Property and equipment	5,487	5,483
Machinery and equipment
Components of Property, Plant and Equipment
Property and equipment	7,065	6,993
Furniture and fixtures
Components of Property, Plant and Equipment
Property and equipment	520	520
Transportation equipment
Components of Property, Plant and Equipment
Property and equipment	945	945
Computer equipment and software
Components of Property, Plant and Equipment
Property and equipment	$ 1,772	$ 1,696