Income Taxes (Details 2) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Operating Loss Carryforwards [Line Items]
Tax loss carryforwards	$ 42,175
Carryforward period, min	1 year
Carryforward period, maximum	5 years
Tax credit carryforward (1-5 years)	$ 228
Valuation allowance not deductible in future years	206
U.S. Federal
Operating Loss Carryforwards [Line Items]
Tax loss carryforwards	$ 3,294
Carryforward period, maximum	20 years
State [Member]
Operating Loss Carryforwards [Line Items]
Carryforward period, min	1 year
Carryforward period, maximum	20 years
International [Member]
Operating Loss Carryforwards [Line Items]
Tax loss carryforwards	$ 28,458
Carryforward period, min	1 year
Carryforward period, maximum	20 years
International with Unlimited Carryforward Periods [Member]
Operating Loss Carryforwards [Line Items]
Tax loss carryforwards	$ 10,963