Discontinued Operations of Adeona Clinical Laboratory and Note Receivable (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Operating Costs and Expenses:    
General and administrative $ 5,832 $ 5,012
Other Income:    
Income (loss) from discontinued operations 0 216
Adeona Clinical Laboratory [Member]
    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Laboratory fees, net 0 115
Operating Costs and Expenses:    
General and administrative 0 466
Cost of laboratory services 0 110
Total operating costs and expenses 0 576
Loss from discontinued operations 0 (461)
Other Income:    
Gain on sale of Adeona Clinical Laboratory 0 677
Income (loss) from discontinued operations $ 0 $ 216