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Notes Payable and Other Obligations (Details Textual) (USD $)
In Thousands, unless otherwise specified
1 Months Ended 12 Months Ended
Jul. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Notes Payable and Other Obligations (Additional Textual) [Abstract]      
Rent expense under all operating leases   $ 1,687 $ 1,685
Financing agreement 73    
Term of the financing 36 months    
Interest rate 2.00%    
Installments 2    
Balance of note   39  
Period of lease   69 months  
Termination of lease   42 months  
Lease renewal option   5 years  
Annual rental payments   1,725 1,659
Total annual rent   8  
Annual rental expense   1,283 1,842
Monthly capital lease payments   10  
Cost of assets under capital lease   476  
Accumulated depreciation   $ 293  
Maximum [Member]
     
Notes Payable and Other Obligations (Textual) [Abstract]      
Imputed interest rate on lease   18.00%  
Minimum [Member]
     
Notes Payable and Other Obligations (Textual) [Abstract]      
Imputed interest rate on lease   6.00%