Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Measurement [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 June 30, 2012:
Financial assets:
Money market investment	$	4,084	$	4,084	$	—	$	—
Total financial assets	$	4,084	$	4,084	$	—	$	—
Financial liabilities:
Contingent earnout consideration	$	246	$	—	$	—	$	246
Total financial liabilities	$	246	$	—	$	—	$	246
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 net liabilities

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	(In Thousands)
Balance at December 31, 2011	$	231
Change in fair value related to Meridian contingent earnout consideration		15
Ending balance at June 30, 2012	$	246