Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2012

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued expenses at December 31, 2012 and 2011, consisted of the following (in thousands):

	2012		2011
Payroll taxes	$	1,893	$	1,786
Payroll	3,141		2,075
Bonuses	5,778		2,736
Commissions	894		912
Vacation	5,066		4,362
Royalties	1,368		1,310
Value-added tax	1,158		1,018
Other accrued expenses	7,971		5,998
Total	$	27,269	$	20,197