Cash Equivalents And Restricted Cash And Securities (Tables)

3 Months Ended

Mar. 31, 2016

Cash Equivalents And Restricted Cash And Securities [Abstract]

Summary Of Cash Equivalents And Restricted Cash And Securities

			Unrealized		Estimated
			Holding		Market
March 31, 2016	Cost Basis		Gains		Value
Cash equivalents:
Money market funds	$	714	$	--	$	714
Restricted cash and securities:
Money market funds		812		--		812
			Unrealized		Estimated
			Holding		Market
December 31, 2015	Cost Basis		Gains		Value
Cash equivalents:
Money market funds	$	549	$	--	$	549
Restricted cash and securities:
Cash		5,000		--		5,000
Money market funds		830		--		830