Balance Sheet Details (Details 4) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Schedule of accumulated other comprehensive income
Balance as of December 31, 2013	$ 17,123
Other comprehensive loss before reclassification	(6,487)
Net other comprehensive income (loss) for three months ended September 30, 2014	(6,401)
Balance as of September 30, 2014	10,722
Foreign Currency Translation Adjustment [Member]
Schedule of accumulated other comprehensive income
Balance as of December 31, 2013	18,804
Other comprehensive loss before reclassification	(6,487)
Net other comprehensive income (loss) for three months ended September 30, 2014	(6,487)
Balance as of September 30, 2014	12,317
Defined Benefit Pension Plan [Member]
Schedule of accumulated other comprehensive income
Balance as of December 31, 2013	(1,681)
Other comprehensive loss before reclassification	0
Net other comprehensive income (loss) for three months ended September 30, 2014	86
Balance as of September 30, 2014	(1,595)
Selling, General and Administrative Expenses
Schedule of accumulated other comprehensive income
Amounts reclassified from accumulated other comprehensive income (loss)	(86)
Selling, General and Administrative Expenses | Foreign Currency Translation Adjustment [Member]
Schedule of accumulated other comprehensive income
Amounts reclassified from accumulated other comprehensive income (loss)	0
Selling, General and Administrative Expenses | Defined Benefit Pension Plan [Member]
Schedule of accumulated other comprehensive income
Amounts reclassified from accumulated other comprehensive income (loss)	$ (86)