Components of Other Current Liabilities and Deferred Revenue and Customer Advances (Tables)

12 Months Ended

Dec. 31, 2012

Components of Other Current Liabilities and Deferred Revenue and Customer Advances [Abstract]

Schedule of other current liabilities and deferred revenue and customer advances

	December 31,
	2012		2011
	(In thousands)
Accrued legal	$	410	$	727
Income taxes payable		30		23
Other current liabilities		582		1,304
Total other current liabilities	$	1,022	$	2,054
Deferred revenue	$	3,920	$	4,046
Customer advances		14		74
Total deferred revenue and customer advances	$	3,934	$	4,120