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Long Term Debt (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Long Term Debt    
Total debt $ 8,153,000 $ 3,585,000
Less current portion 3,405,000 180,000
Long-term debt, less current maturities 4,748,000 3,405,000
Debt discount 1,439,000 0
Current maturities of long-term debt included in liabilities of discontinued operations 8,000 54,000
Long-term debt included in liabilities of discontinued operations 5,000 13,000
Aggregate amounts of long-term debt maturing in future years    
2013 3,405,000  
2017 6,188,000  
Aggregate amounts of long-term debt 9,593,000  
Term note
   
Long Term Debt    
Total debt 3,405,000 3,585,000
Principal amount payable per month plus interest 15,000,000  
Mandatory pre-payment as a percentage of Excess Cash Flow 50.00%  
Final payment 3,090,000  
Term note | 30-day LIBOR
   
Long Term Debt    
Reference rate for variable interest rate 30-day LIBOR  
Percentage points added to the reference rate 5.00%  
Subordinated convertible term notes
   
Long Term Debt    
Total debt 4,748,000  
Debt discount $ 1,400,000  
Interest rate (as a percent) 12.50%