Balance Sheet Details (Details 2) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Schedule of accumulated other comprehensive income
Balance as of December 31, 2014	$ 4,723
Other comprehensive income before reclassification	2,776
Net other comprehensive income for the nine months ended September 30, 2015	2,887
Balance as of September 30, 2015	7,610
Foreign Currency Translation Adjustment
Schedule of accumulated other comprehensive income
Balance as of December 31, 2014	8,359
Other comprehensive income before reclassification	2,776
Net other comprehensive income for the nine months ended September 30, 2015	2,776
Balance as of September 30, 2015	11,135
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 nine months ended September 30, 2015	111
Balance as of September 30, 2015	(3,525)
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	111
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	$ 111