PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment, Gross	$ 4,913	$ 4,432
Less accumulated depreciation	(2,660)	(2,507)
Property and Equipment, Net	2,253	1,925
Office furniture and equipment
Property, Plant and Equipment, Gross	2,232	2,362
Assembly equipment
Property, Plant and Equipment, Gross	100	143
Vehicles
Property, Plant and Equipment, Gross	203	198
Leasehold improvements
Property, Plant and Equipment, Gross	1,033	559
Sales rep demo units
Property, Plant and Equipment, Gross	122	361
Leased devices
Property, Plant and Equipment, Gross	$ 1,223	$ 809

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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