Balance Sheet Details (Details 2) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Schedule of accumulated other comprehensive income
Balance as of December 31, 2014	$ 4,723
Other comprehensive income before reclassification	5,526
Net other comprehensive income for the six months ended June 30, 2015	5,601
Balance as of June 30, 2015	10,324
Foreign Currency Translation Adjustment
Schedule of accumulated other comprehensive income
Balance as of December 31, 2014	8,359
Other comprehensive income before reclassification	5,526
Net other comprehensive income for the six months ended June 30, 2015	5,526
Balance as of June 30, 2015	13,885
Defined Benefit Pension Plan
Schedule of accumulated other comprehensive income
Balance as of December 31, 2014	(3,636)
Other comprehensive income before reclassification	0
Net other comprehensive income for the six months ended June 30, 2015	75
Balance as of June 30, 2015	(3,561)
Cost of Sales, Selling, General and Administrative and Research and Development Expense
Schedule of accumulated other comprehensive income
Amounts reclassified from accumulated other comprehensive income	75
Cost of Sales, Selling, General and Administrative and Research and Development Expense | Foreign Currency Translation Adjustment
Schedule of accumulated other comprehensive income
Amounts reclassified from accumulated other comprehensive income	0
Cost of Sales, Selling, General and Administrative and Research and Development Expense | Defined Benefit Pension Plan
Schedule of accumulated other comprehensive income
Amounts reclassified from accumulated other comprehensive income	$ 75