Note 12 - Sale/Leaseback (Detail) (USD $)	4 Months Ended	9 Months Ended		60 Months Ended		12 Months Ended
	May 24, 2011	Sep. 30, 2012	Sep. 30, 2011	May 31, 2021	May 31, 2016	May 31, 2012 Minimum [Member]	May 31, 2012 Maximum [Member]
Sale Leaseback Transaction, Gross Proceeds	$ 1,200,000		$ 1,119,963
Sale Leaseback Transaction, Lease Terms	seven
Renewal Terms					5 years
Sale Leaseback Transaction, Annual Rental Payments				156,000		135,000	145,000
Sale Leaseback Transaction, Other Payments Required	80,000
Sale Leaseback Transaction, Net Proceeds	1,120,000
Sale Leaseback Transaction, Net Book Value	303,000
Sale Leaseback Transaction, Cumulative Gain Recognized	817,000
Sale Leaseback Transaction, Current Period Gain Recognized		$ 88,000	$ 10,000