Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment, Gross [Abstract]
Property, Plant and Equipment, Gross	$ 4,008	$ 3,571
Accumulated Depreciation	(2,820)	(2,371)
Property, Plant and Equipment, Net	1,188	1,200
Production Equipment [Member]
Property, Plant and Equipment, Gross [Abstract]
Property, Plant and Equipment, Gross	1,321	1,201
Loaners and Demo Equipment [Member]
Property, Plant and Equipment, Gross [Abstract]
Property, Plant and Equipment, Gross	1,364	1,073
Computer Software and Equipment [Member]
Property, Plant and Equipment, Gross [Abstract]
Property, Plant and Equipment, Gross	714	691
Office Furniture & Fixtures [Member]
Property, Plant and Equipment, Gross [Abstract]
Property, Plant and Equipment, Gross	364	364
Leasehold Improvements [Member]
Property, Plant and Equipment, Gross [Abstract]
Property, Plant and Equipment, Gross	$ 245	$ 242

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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