Note 4 - Earnings Per Share (Details) - Net income (loss) per share: (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Note 4 - Earnings Per Share (Details) - Net income (loss) per share: [Line Items]
Net (loss) income (in Dollars)	$ (897)	$ 5,566	$ 5,386	$ 18,607
Average shares outstanding – basic	34,384,691	34,355,192	34,369,334	34,359,433
Impact of stock options	367	59	164	55
Average shares outstanding – diluted	34,752,125	34,413,680	34,533,257	34,413,907
Basic (loss) income per share (in Dollars per share)	$ (0.03)	$ 0.16	$ 0.16	$ 0.54
Diluted (loss) income per share (in Dollars per share)	$ (0.03)	$ 0.16	$ 0.16	$ 0.54
Denominator [Member]
Note 4 - Earnings Per Share (Details) - Net income (loss) per share: [Line Items]
Average shares outstanding – basic	34,385	34,355	34,369	34,359
Average shares outstanding – diluted	34,752	34,414	34,533	34,414