Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2013

Payables And Accruals [Abstract]

Components of Accrued Expenses

	March 31, 2013		December 31, 2012
Payroll and payroll related	$	5,768	$	3,800
Licensed software and maintenance		1,197		1,627
Marketing programs		3,709		1,197
Other accrued expenses		5,489		4,179
	$	16,163	$	10,803