Accrued Expenses and Other Current Liabilities (Tables)

6 Months Ended

Jun. 30, 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:

	June 30,		December 31,
(in thousands)	2013		2012
Accrued expenses and other current liabilities	$	4,050	$	3,310
Accrued royalties		853		1,453
Accrued compensation and benefits		2,897		3,059
Restructuring liabilities		2,099		2,016
Deferred revenue		23		425
Total accrued expenses and other current liabilities	$	9,922	$	10,263