Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Financial Instruments [Abstract]

Summary Of Financial Instruments Measured At Fair Value

March 31, 2013	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	716	$	--	$	--	$	716
Restricted securities:
Money market funds		303		--		--		303
Total assets		1,019		--		--		1,019
Long-term liabilities:
Contingent consideration		--		--		(1,951)		(1,951)
Total liabilities		--		--		(1,951)		(1,951)
Net assets (liabilities)	$	1,019	$	--	$	(1,951)	$	(932)

December 31, 2012	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	1,319	$	--	$	--	$	1,319
Restricted securities:
Money market funds		323		--		--		323
Total assets		1,642		--		--		1,642
Long-term liabilities:
Contingent consideration						(1,912)		(1,912)
Total liabilities		--		--		(1,912)		(1,912)
Net assets (liabilities)	$	1,642	$	--	$	(1,912)	$	(270)

Reconciliation Of Changes In Fair Value Of Level 3 Liabilities

	Contingent Consideration
Balance as of December 31, 2012	$	1,912
Loss on remeasurement of contingent consideration		39
Balance as of March 31, 2013	$	1,951