SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details)	12 Months Ended
	Dec. 31, 2019
Office furniture and equipment | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	5 years
Office furniture and equipment | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	7 years
Assembly equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	7 years
Vehicles
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	5 years
Leased devices
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	9 months