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LONG-TERM DEBT (Details)
9 Months Ended 9 Months Ended
Jun. 30, 2013
USD ($)
Sep. 30, 2012
USD ($)
Jun. 30, 2013
Canadian revolving credit facility
USD ($)
Mar. 31, 2013
Canadian revolving credit facility
CAD
Sep. 30, 2012
Canadian revolving credit facility
USD ($)
Jun. 30, 2013
Canadian revolving credit facility
London Interbank Offer Rate
Jun. 30, 2013
Canadian revolving credit facility
Royal Bank of Canada's U.S. base rate
Jun. 30, 2013
Canadian revolving credit facility
Royal Bank of Canada's prime rate
Jun. 30, 2013
Real estate loan
USD ($)
Sep. 30, 2012
Real estate loan
USD ($)
Long-term debt                    
Long-term debt $ 16,772,000 $ 17,164,000 $ 12,000,000   $ 12,000,000       $ 4,772,000 $ 5,164,000
Less: current portion (4,772,000) (5,764,000) 0              
Total long-term debt 12,000,000 11,400,000                
Maximum borrowing capacity     19,026,000 20,000,000            
Unused credit available under the facility     7,026,000              
Interest rate on the facility (as a percent)     2.70%              
Interest rate base           London Interbank Offer Rate Royal Bank of Canada's U.S. base rate Royal Bank of Canada's prime rate    
Interest rate margin (as a percent)           2.50% 1.50% 1.50%    
Standby fee charged on unused facility balance (as a percent)     0.625%              
Renewal period with no required debt repayments     1 year              
Required debt repayments on renewal of facility for one year     $ 0              
Period of term loan if credit facility term date is not extended     2 years              
Repayment schedule if the facility is converted to a two-year term loan                    
Percentage of outstanding loan balance to be repaid in first year of the term period     20.00%              
Percentage of outstanding loan balance to be repaid per quarter in first year of the term period     5.00%              
Percentage of outstanding loan balance to be repaid in second year of the term period     80.00%              
Percentage of outstanding loan balance to be repaid per quarter for first three quarters in second year of the term period     5.00%              
Percentage of outstanding loan balance to be repaid in the final quarter of the second year of the term period     65.00%              
Long-term debt, additional disclosures                    
Interest rate (as a percent)                 3.53%