Other Expense (Tables)

3 Months Ended

Mar. 31, 2014

Other Income and Expenses [Abstract]

Schedule of Other Expense

Other expense consists of the following:

	Three Months Ended March 31,
	2013		2014
Administrative consolidation costs	$	1,604	$	713
Costs associated with patent dispute, and other matters	209		2,484
Other expense	$	1,813	$	3,197