Property and Equipment - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property Plant And Equipment [Line Items]
Property and equipment	$ 2,028	$ 1,838
Less accumulated depreciation	(1,876)	(1,543)
Property and equipment, net	832	720
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment	112	107
Manufacturing Equipment
Property Plant And Equipment [Line Items]
Property and equipment	269	203
Computer and Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment	107	98
System and Laser
Property Plant And Equipment [Line Items]
Property and equipment	1,452	1,304
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment	50	50
Transportation Equipment
Property Plant And Equipment [Line Items]
Property and equipment	38	76
Construction in Progress
Property Plant And Equipment [Line Items]
Construction in progress	$ 680	$ 425

Property plant and equipment capitalized amount.

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- Definition

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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- Definition

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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