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Represents the percentage of outstanding loan balance to be repaid in final quarter of second year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.

+ References

No definition available.

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- Definition

Represents the percentage of outstanding loan balance to be repaid per quarter for first three quarters in second year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.

+ References

No definition available.

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Represents the percentage of outstanding loan balance to be repaid per quarter in first year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.

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No definition available.

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Represents the percentage of outstanding loan balance to be repaid in first year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.

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No definition available.

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Represents the percentage of outstanding loan balance to be repaid in second year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.

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No definition available.

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- Definition

Represents the term loan period into which the line of credit facility will be converted if term date is not extended upon annual review.

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No definition available.

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- Definition

Represents the period for which no debt repayments are required if the facility is renewed subject to annual review under the financing agreement.

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No definition available.

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Represents the amount of required debt repayments on renewal of credit facility for specified period.

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No definition available.

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- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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The effective interest rate at the end of the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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Interest rate stated in the contractual debt agreement.

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-Name Regulation S-X (SX)

-Number 210

-Section 02

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The effective interest rate at the end of the reporting period.

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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LONG-TERM DEBT (Details)			6 Months Ended			6 Months Ended
LONG-TERM DEBT (Details)	Mar. 31, 2013 USD ($)	Sep. 30, 2012 USD ($)	Mar. 31, 2013 Canadian revolving credit facility USD ($)	Mar. 31, 2013 Canadian revolving credit facility CAD	Sep. 30, 2012 Canadian revolving credit facility USD ($)	Mar. 31, 2013 Canadian revolving credit facility London Interbank Offer Rate	Mar. 31, 2013 Canadian revolving credit facility Royal Bank of Canada's base rate	Mar. 31, 2013 Canadian revolving credit facility Royal Bank of Canada's prime rate	Apr. 01, 2013 Real estate loan	Mar. 31, 2013 Real estate loan USD ($)	Sep. 30, 2012 Real estate loan USD ($)
Long-term debt
Long-term debt	$ 16,903,000	$ 17,164,000	$ 12,000,000		$ 12,000,000					$ 4,903,000	$ 5,164,000
Less: current portion	(4,903,000)	(5,764,000)	0
Total long-term debt	12,000,000	11,400,000
Maximum borrowing capacity			19,692,000	20,000,000
Unused credit available under the facility			7,692,000
Interest rate on the facility (as a percent)			2.70%
Interest rate base						London Interbank Offer Rate	Royal Bank of Canada'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)										3.57%
Interest rate (as a percent)									3.53%