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Debt (Details Textual) (USD $)
 3 Months Ended 9 Months Ended 9 Months Ended 9 Months Ended 9 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Vehicles
Installments
Jun. 30, 2011
Jun. 30, 2012
Term Note [Member]
Jun. 30, 2011
Term Note [Member]
Jun. 30, 2012
Second Term Note [Member]
Jul. 05, 2012
Second Term Note [Member]
May 11, 2012
Second Term Note [Member]
Sep. 30, 2011
Second Term Note [Member]
Jun. 30, 2012
Option One [Member]
Jun. 30, 2012
Option Two [Member]
Debt (Textual) [Abstract]                      
Term Note repayable over a period       36 months              
Term Note, interest rate description                   Prime Rate minus three-quarters percent 30-day London Interbank Offered Rate (“LIBOR”) plus two and one-quarter percent
Term Note interest rate over which, interest is to be paid separately       4.00%   3.75%          
Maturity of term loans May 02, 2015     Jun. 30, 2014              
Borrowing, repaying and reborrowing capacity $ 20,000,000 $ 20,000,000            $ 15,000,000       
Fund obtained Under new term loan note         16,427,000   9,346,000        
Debt (Additional Textual) [Abstract]                      
Line of credit facility agreement effective date   Jun. 02, 2011                  
Line of credit facility agreement expiry date   Jun. 02, 2013                  
Line of credit facility, interest rate description   Interest on the facility accrues at an annual rate equal to either the 30-day London Interbank Offered Rate (“LIBOR”) plus two and one-quarter percent or the Prime Rate minus three-quarters percent, as the Company directs monthly, subject to an interest rate floor of 4%                  
Term Note, frequency of interest payment   monthly                  
Line of credit facility utilized   0                  
Line of credit facility amendment date     Jun. 30, 2011                
Monthly term note repayment amount   $ 485,444                  
Covenant compliance of line of credit facility   The Company was in compliance with all covenants as of June 30, 2012 and August 9, 2012                  
No of installments in which capital leases are payable, minimum   36                  
No of installments in which capital leases are payable, maximum   60                  
Capital lease obligations maturity period   December 2014 and February 2017                  
No of vehicles leased under capital leases   42