Discontinued Operations of Adeona Clinical Laboratory and Note Receivable (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Operating Costs and Expenses:
General and administrative	$ 1,890	$ 1,073	$ 4,270	$ 3,717
Other Income:
Income (loss) from discontinued operations	0	(104)	0	389
Adeona Clinical Laboratory [Member]
Laboratory fees, net	0	0	0	115
Operating Costs and Expenses:
General and administrative	0	104	0	287
Cost of laboratory services	0	0	0	116
Total operating costs and expenses	0	104	0	403
Loss from discontinued operations	0	(104)	0	(288)
Other Income:
Gain on sale of Adeona Clinical Laboratory	0	0	0	677
Income (loss) from discontinued operations	$ 0	$ (104)	$ 0	$ 389