Note 7 - Debt (Details) (USD $)	1 Months Ended	3 Months Ended		5 Months Ended	13 Months Ended
	Nov. 22, 2011	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Funded Debt to EBTIDA [Member]	Sep. 30, 2013 Funded Debt to EBTIDA [Member]	Sep. 30, 2013 Capital Expenditures [Member]	Sep. 30, 2013 Debt Service Coverage Ratio [Member]	Sep. 30, 2013 Cash and Liquid Investments [Member]
Note 7 - Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)		$ 23,000,000
Debt Instrument, Basis Spread on Variable Rate		1.50%
Line of Credit Facility, Covenant Terms				the Company further amended the agreement to adjust the current funded debt to EBITDA ratio from 1.45 to 1, to 2.25 to 1 for the fourth quarter of fiscal 2013 and the first quarter of fiscal 2014. Thereafter, and through the end of the agreement on April 30, 2015, the funded debt to EBITDA covenant reverts to 1.45 to 1	funded debt to EBITDA, excluding non-cash and retirement benefit expenses ("maximum leverage"), cannot exceed 1.45 to 1, 2) annual capital expenditures cannot exceed $15.0 million, 3) maintain a Debt Service Coverage Rate of a minimum of 1.25 to 1	annual capital expenditures cannot exceed $15.0 million, 3) maintain a Debt Service Coverage Rate of a minimum of 1.25 to 1 and 4) maintain consolidated cash plus liquid investments of not less than $10.0 million	maintain a Debt Service Coverage Rate of a minimum of 1.25 to 1	maintain consolidated cash plus liquid investments of not less than $10.0 million at any time
Line of Credit Facility, Interest Rate During Period		2.00%	1.90%
Debt Instrument, Face Amount (in Dollars)	15,500,000
Term Loan Number of Years	10 years
Debt Instrument, Interest Rate, Stated Percentage	4.50%
Line of Credit Facility, Periodic Payment (in Dollars)	160,640
Line of Credit Facility, Amount Outstanding (in Dollars)			$ 13,200,000