Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2012

Fair Value Measurements [Abstract]

Schedule Of Company's Financial Assets And (Liabilities) At Fair Value On A Recurring Basis

	Basis of Fair Value Measurements
	Balance at March 31,  2012			Level 1		Level 2		Level 3
	(In thousands)
Money market investment	$	15,402		$	15,402	$	—	$	—
Available for sale securities		3,326			3,326		—		—
Contingent consideration		(1,500	)		—		—		(1,500	)

	Basis of Fair Value Measurements
	Balance at December 31, 2011			Level 1		Level 2		Level 3
	(In thousands)
Money market investment	$	11,899		$	11,899	$	—	$	—
Available for sale securities		2,785			2,785		—		—
Contingent consideration		(3,000	)		—		—		(3,000	)