Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2019
Field service units [Member]
Property and equipment estimated useful lives	50%
Leasehold improvements [Member]
Property and equipment estimated useful lives	Over the shorter of the lease term or estimated useful life
Machinery and laboratory equipment [Member]
Property and equipment estimated useful lives	15%
Minimum [Member] | Computer equipment [Member]
Property and equipment estimated useful lives	20%
Minimum [Member] | Office furniture and equipment [Member]
Property and equipment estimated useful lives	6%
Maximum [Member] | Computer equipment [Member]
Property and equipment estimated useful lives	33%
Maximum [Member] | Office furniture and equipment [Member]
Property and equipment estimated useful lives	10%