Revenue Earned In Excess Of Billings And Deferred Revenue (Tables)

12 Months Ended

Dec. 31, 2011

Revenue Earned In Excess Of Billings And Deferred Revenue [Abstract]

Summary Of Revenue Earned In Excess Of Billings And Deferred Revenue

	2011			2010
	(In thousands)
Unbilled revenue for time-and-materials projects	$	8,640		$	10,975
Unbilled revenue for fixed-price projects, net of discounts		(3,509	)		(5,646	)
	$	5,131		$	5,329

Summary Of Deferred Revenue

	2011		2010
	(In thousands)
Deferred revenue on uncompleted fixed-price development contracts	$	8,683	$	9,704
Other deferred revenue		1,009		79
	$	9,692	$	9,783