Property, Plant and Equipment - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment
Depreciation and amortization expense	$ 1,083,000	$ 951,000
Depreciation	1,042,000	927,000
Amortization expense	41,000	24,000
Property, plant and equipment, Gross	24,056,000	23,366,000
Machinery and equipment
Property, Plant and Equipment
ROU assets	160,000	185,000
Property, plant and equipment, Gross	15,503,000	14,526,000
Construction in progress
Property, Plant and Equipment
Construction in progress	106,000	1,002,000
Property, plant and equipment, Gross	106,000	$ 1,002,000
Construction in progress (CIP) machinery & equipment
Property, Plant and Equipment
Property, plant and equipment, Gross	93,000
Construction in progress (CIP) building improvements
Property, Plant and Equipment
Property, plant and equipment, Gross	$ 13,000