Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Measurements [Abstract]

Company's fair value hierarchy for its financial assets and liabilities

	Basis of Fair Value Measurements
	Balance		Quoted Prices in Active Markets for Identical Items (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In Thousands)
Balance at December 31, 2012:
Financial assets:
Money market investment	$	4,084	$	4,084	$	-	$	-
Total financial assets	$	4,084	$	4,084	$	-	$	-
Balance at December 31, 2011:
Financial assets:
Money market investment	$	4,084	$	4,084	$	-	$	-
Total financial assets	$	4,084	$	4,084	$	-	$	-
Financial liabilities:
Contingent earnout consideration	$	231	$	-	$	-	$	231
Total financial liabilities	$	231	$	-	$	-	$	231

Reconciliation of the beginning and ending Level 3 liabilities

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	(In Thousands)
Balance at January 1, 2010	$	1,200
Initial fair value of contingent earnout consideration related to Meridian Acquisition		1,200
Change in fair value of earnout consideration (included within selling, general and administrative expense)		400
Balance at December 31, 2010		2,800
Change in fair value of earnout consideration (included within selling, general and administrative expense)		144
Funding of Fullscope contingent earnout consideration escrow		(2,713	)
Balance at December 31, 2011		231
Change in fair value of earnout consideration (included within selling, general and administrative expense)		(231	)
Balance at December 31, 2012	$	-