Accrued Expenses and Other Current Liabilities

3 Months Ended

Mar. 31, 2013

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

Note 10.   Accrued Expenses and Other Current Liabilities

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

The Company periodically evaluates any contingent liabilities in connection with any payments to be made for any potential intellectual property infringement asserted or unasserted claims. The Company’s accrued royalties as of March 31, 2013 and December 31, 2012 represent the contingent payments for asserted or unasserted claims that are probable of assertion as of the respective balance sheet dates based on the applicable patent law.