Intangible Assets and Others, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Original amount:
Original amount		$ 5,480
Accumulated amortization:
Accumulated amortization		5,480
Accumulated amortization, Useful life years	5 years
Net Amount:
Prepaid lease expenses and capitalization of license		434
Intangible assets and others, net		434
Technology [Member]
Original amount:
Original amount		2,010
Useful life years	5 years
Accumulated amortization:
Accumulated amortization		2,010
Accumulated amortization, Useful life years	5 years
Customer related intangible assets [Member]
Original amount:
Original amount		3,470
Accumulated amortization:
Accumulated amortization		$ 3,470
Customer related intangible assets [Member] | Minimum [Member]
Original amount:
Useful life years	3 years
Accumulated amortization:
Accumulated amortization, Useful life years	3 years
Customer related intangible assets [Member] | Maximum [Member]
Original amount:
Useful life years	5 years
Accumulated amortization:
Accumulated amortization, Useful life years	5 years