Shareholders' Equity (Summary Of The Company's Stock Option Plans) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Jun. 30, 2012
Shareholders' Equity [Abstract]
Number of Options Outstanding, beginning balance	459,662
Weighted Average Exercise Price, beginning balance	$ 3.46
Number of Options Outstanding, Options Granted
Weighted-Average Exercise Price, Options Granted
Number of Options Outstanting, Options Canceled	(1,000)
Weighted-Average Exercise Price, Options Canceled	$ 2.68
Number of Options Outstanding, Options Exercised	(92,705)
Weighted -Average Exercise Price, Options Exercised	$ 2.54
Number of Options Outstanding, ending balance	365,957
Weighted Average Exercise Price, ending balance	$ 3.70
Weighted-Average Remaining Contractual Term, ending balance	4 years 4 months 17 days
Aggregate Intrinsic Value, ending balance	$ 3,368
Number of Options Outstanding, Vested or expected to vest	352,339
Weighted-Average Exercise Price, Vested or expected to vest	$ 3.69
Weighted-Average Remaining Contractula Term, Vested or expected to vest	4 years 3 months 29 days
Aggregate Intrinsic Value, Vested or expected to vest	3,246
Number of Options Outstanding, Exercisable	229,777
Weighted-Average Exercise Price, Exercisable	$ 3.56
Weighted-Average Remaining Contractual Term, Exercisable	3 years 7 months 13 days
Aggregate Intrinsic Value, Exercisable	$ 2,145