Cash Equivalents And Restricted Cash And Securities (Tables)

6 Months Ended

Jun. 30, 2013

Cash Equivalents And Restricted Cash And Securities [Abstract]

Summary Of Cash Equivalents And Marketable Securities

			Unrealized		Estimated
			Holding		Market
June 30, 2013	Cost Basis		Gains		Value
Cash equivalents:
Money market funds	$	722	$	--	$	722
Restricted cash and securities:
Cash		5,000		--		5,000
Money market funds		308		--		308
December 31, 2012
Cash equivalents:
Money market funds	$	1,319	$	--	$	1,319
Restricted cash and securities:
Cash		5,000		--		5,000
Money market funds		323		--		323