Summary of Significant Accounting Policies (Details) - Schedule of property and equipment - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Total cost	$ 6,427	$ 6,427
Accumulated depreciation and amortization	(4,094)	(3,945)
Property and equipment, net	2,333	2,482
Machinery, equipment and tooling [Member]
Property, Plant and Equipment [Line Items]
Total cost	3,296	3,296
Buildings [Member]
Property, Plant and Equipment [Line Items]
Total cost	1,711	1,711
Information systems [Member]
Property, Plant and Equipment [Line Items]
Total cost	818	818
Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Total cost	594	594
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Total cost	$ 8	$ 8