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BALANCE SHEET COMPONENTS (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment, Gross	$ 2,746	$ 2,281
Less accumulated depreciation	(1,955)	(1,462)
Property and Equipment, Net	791	819
Office furniture and equipment
Property, Plant and Equipment, Gross	1,541	1,172
Assembly equipment
Property, Plant and Equipment, Gross	128	128
Vehicles
Property, Plant and Equipment, Gross	184	184
Leasehold improvements
Property, Plant and Equipment, Gross	482	480
Leased devices
Property, Plant and Equipment, Gross	$ 411	$ 317

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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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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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