Accrued Expenses and Other Current Liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Payables and Accruals [Abstract]

Accrued Expenses and Other Current Liabilities Disclosure [Table Text Block]

The components of accrued expenses and other current liabilities follow:

	March 31,		December 31,
(in thousands)	2013		2012
Accrued expenses and other current liabilities	$	3,678	$	3,310
Accrued royalties		1,286		1,453
Accrued compensation and benefits		3,207		3,059
Restructuring liabilities		1,649		2,016
Deferred revenue		28		425
Total accrued expenses and other current liabilities	$	9,848	$	10,263