Property, Plant, and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 17,845	$ 17,250
Less: accumulated depreciation	(8,225)	(6,590)
Property, plant and equipment, net	9,620	10,660
Land
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	1,340	1,340
Buildings and land improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 2,487	2,464
Buildings and land improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (Years)	15 years
Buildings and land improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (Years)	39 years
Manufacturing equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (Years)	7 years
Property, plant, and equipment, gross	$ 13,002	12,631
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 287	277
Furniture, fixtures and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (Years)	5 years
Furniture, fixtures and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (Years)	7 years
Vehicles
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (Years)	5 years
Property, plant, and equipment, gross	$ 140	140
Hardware and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 589	$ 398
Hardware and software | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (Years)	3 years
Hardware and software | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives (Years)	5 years