Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Financial Instruments [Abstract]

Summary Of Financial Instruments Measured At Fair Value

September 30, 2012	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	--	$	781	$	--	$	781
Restricted securities:
Money market funds		--		324		--		324
Total assets		--		1,105		--		1,105
Long-term liabilities:
Contingent consideration		--		--		(1,902)		(1,902)
Total liabilities		--		--		(1,902)		(1,902)
Net assets (liabilities)	$	--	$	1,105	$	(1,902)	$	(797)

December 31, 2011	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	--	$	7,334	$	--	$	7,334
Restricted securities:
Money market funds		--		5,312		--		5,312
Total assets	$	--	$	12,646	$	--	$	12,646

Reconciliation Of Changes In Fair Value Of Level 3 Liabilities

	Contingent Consideration
Balance as of December 31, 2011	$	--
Discounted value of contingent consideration at acquisition		1,840
Loss on remeasurement of contingent consideration		62
Balance as of September 30, 2012	$	1,902