Note 7 - Income Per Share (Detail)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Incremental Common Shares Attributable to Share-based Payment Arrangements	15,997	1,699
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	39,888	33,782
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	337,525	514,275
Non-Vested [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	23,891	32,083