Discontinued Operations of Adeona Clinical Laboratory and Note Receivable (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Operating Costs and Expenses:
General and administrative	$ 1,258	$ 1,176	$ 2,380	$ 2,644
Other Income:
Income (loss) from discontinued operations	0	(156)	0	493
Adeona Clinical Laboratory [Member]
Laboratory fees, net	0	0	0	115
Operating Costs and Expenses:
General and administrative	0	156	0	183
Cost of laboratory services	0	0	0	116
Total operating costs and expenses	0	156	0	299
Loss from discontinued operations	0	(156)	0	(184)
Other Income:
Gain on sale of Adeona Clinical Laboratory	0	0	0	677
Income (loss) from discontinued operations	$ 0	$ (156)	$ 0	$ 493