Shareholders' Equity (Summary Of The Company's Stock Option Plans) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Mar. 31, 2013
Equity [Abstract]
Number of Options Outstanding, beginning balance	355,334
Weighted Average Exercise Price, beginning balance	$ 3.71
Number of Options Outstanding, Options Granted
Weighted-Average Exercise Price, Options Granted
Number of Options Outstanding, Options Canceled
Weighted-Average Exercise Price, Options Canceled
Number of Options Outstanding, Options Exercised	(45,000)
Weighted -Average Exercise Price, Options Exercised	$ 2.95
Number of Options Outstanding, ending balance	310,334
Weighted Average Exercise Price, ending balance	$ 3.82
Weighted-Average Remaining Contractual Term, ending balance	4 years 26 days
Aggregate Intrinsic Value, ending balance	$ 3,468
Number of Options Outstanding, Vested or expected to vest	302,578
Weighted-Average Exercise Price, Vested or expected to vest	$ 3.82
Weighted-Average Remaining Contractual Term, Vested or expected to vest	3 years 11 months 20 days
Aggregate Intrinsic Value, Vested or expected to vest	3,383
Number of Options Outstanding, Exercisable	232,770
Weighted-Average Exercise Price, Exercisable	$ 3.77
Weighted-Average Remaining Contractual Term, Exercisable	3 years 8 months 5 days
Aggregate Intrinsic Value, Exercisable	$ 2,615