Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Fixed interest rate related to the interest rate derivative.

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Note 2 - Long-term Debt (Details Textual)				1 Months Ended	9 Months Ended
Note 2 - Long-term Debt (Details Textual)	Jul. 01, 2018 USD ($)	Mar. 08, 2016 USD ($)	Jul. 01, 2013 USD ($)	Jul. 31, 2014 USD ($)	Sep. 30, 2016 USD ($)	Jul. 31, 2013
Revolving Credit Facility [Member] \| Amended Credit Agreement [Member]
Line of Credit Facility, Expiration Period		5 years	5 years
Line of Credit Facility, Maximum Borrowing Capacity		$ 20,000,000	$ 15,000,000
Line of Credit Facility, Commitment Fee Percentage					0.10%
Letters of Credit Outstanding, Amount					$ 0
Add on Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate					0.85%
Debt Instrument, Interest Rate, Stated Percentage					1.48%
Amended Credit Agreement [Member] \| Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate					0.85%
Debt Instrument, Interest Rate, Stated Percentage					1.38%
Amended Credit Agreement [Member] \| Term Loan [Member]
Debt Instrument, Face Amount		$ 45,000,000	$ 30,000,000
Scenario, Forecast [Member]
Derivative, Fixed Interest Rate	2.43%
Debt Instrument, Periodic Payment, Principal	$ 3,250,000
Recognized in Earnings [Member]
Increase (Decrease) in Derivative Assets					$ 38,000
Senior Debt [Member]
Ratio of Maximum Funded Indebtedness to EBITDA					3.5
Per Month through July 1, 2015 [Member]
Debt Instrument, Periodic Payment, Principal				$ 187,500
Per Month through June 1, 2018 [Member]
Debt Instrument, Periodic Payment, Principal				250,000
Interest Rate Swap [Member]
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value					$ (152,000)
Interest Rate Derivative Assets, at Fair Value					(95,000)
Increase (Decrease) in Derivative Assets					95,000
Other Tax Expense (Benefit)					34,000
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred					65,000
Derivative, Fixed Interest Rate						2.53%
Derivative, Notional Amount				$ 14,250,000
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months					1,071,000
Long-term Debt, Maturities, Repayments of Principal in Year Two					6,429,000
Long-term Debt, Maturities, Repayments of Principal in Year Four					6,429,000
Long-term Debt, Maturities, Repayments of Principal in Year Three					6,429,000
Long-term Debt, Maturities, Repayments of Principal in Year Five					6,429,000
Long Term Debt Maturities Repayments of Principal in Year Six					14,463,000
Debt Issuance Costs, Gross					$ 70,000
Ratio of Maximum Funded Indebtedness to EBITDA					4
Fixed Charges Numerator					1.25