Property, plant and equipment consist of the following at: (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 20,665	$ 2,788
Less: Accumulated depreciation	(2,375)	(1,941)
Property, plant and equipment, net	18,290	847
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	52
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	356	262
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14
Technology Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,840	1,603
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	941	885
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	60	38
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 16,402