Note 8 - Stock Compensation Expense (Details) - Presented below is a summary of stock option plans activity: (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Presented below is a summary of stock option plans activity: [Abstract]
Options	300,087	403,337
Wtd. Avg. Exercise Price (in Dollars per share)	$ 17.06	$ 21.43
Aggregate Intrinsic Value (in Dollars)	$ 66,600	$ 395,517
Options	1,443,837	414,587
Wtd. Avg. Exercise Price (in Dollars per share)	$ 8.12	$ 21.41
Aggregate Intrinsic Value (in Dollars)	2,260,688	395,517
Options	82,500	1,331,250
Wtd. Avg. Exercise Price (in Dollars per share)	$ 7.48	$ 6.02
Options	(40,603)	(2,000)
Wtd. Avg. Exercise Price (in Dollars per share)	$ 5.95	$ 2.07
Aggregate Intrinsic Value (in Dollars)	435,948	11,240
Options	(307,318)	(300,000)
Wtd. Avg. Exercise Price (in Dollars per share)	$ 10.26	$ 17.20
Options	460,916	300,087
Wtd. Avg. Exercise Price (in Dollars per share)	$ 10.20	$ 17.06
Aggregate Intrinsic Value (in Dollars)	3,636,312	66,600
Options	1,178,416	1,443,837
Wtd. Avg. Exercise Price (in Dollars per share)	$ 7.60	$ 8.12
Aggregate Intrinsic Value (in Dollars)	$ 11,361,537	$ 2,260,688