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Loan Payable to Officer (Details) (USD $)
9 Months Ended
Sep. 30, 2013
Feb. 07, 2013
Borrowing from Officer    
Loan payable to officer $ 1,530,000  
G. Ward Paxton, chief executive officer | Revolving promissory note
   
Borrowing from Officer    
Maximum borrowing capacity 2,200,000 2,200,000
Floating rate base prime rate  
Percentage points added in interest rate 1.00%  
Interest rate (as a percent) 5.00%  
Loan payable to officer 1,530,000  
Accrued interest $ 57,000