Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Constituents of Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	December 31,
	2014		2013
Company bonuses	$	9,294	$	6,880
Salaries, commissions, and payroll taxes	5,802		6,111
Vacation	5,076		4,598
Warranty obligations	4,494		3,016
Foreign retirement obligations	3,626		3,726
Japanese consumption taxes	2,286		1,372
Other	9,371		8,628
	$	39,949	$	34,331

Changes in Warranty Obligations

The changes in the warranty obligation were as follows (in thousands):

Balance as of December 31, 2012	$	2,256
Provisions for warranties issued during the period	2,770
Fulfillment of warranty obligations	(2,114		)
Foreign exchange rate changes	104
Balance as of December 31, 2013	3,016
Provisions for warranties issued during the period	5,250
Fulfillment of warranty obligations	(3,354		)
Foreign exchange rate changes	(418		)
Balance as of December 31, 2014	$	4,494