Nature Of Business And Summary Of Significant Accounting Policies (Schedule Of Other Intangible Assets, Net) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Finite-Lived Intangible Assets [Line Items]
Identified Intangible Assets, Gross Carrying Amount	$ 4,589	$ 5,973
Finite-Lived Intangible Assets, Accumulated Amortization	3,797	5,095
Identified Intangible Assets, Net Carrying Amount	792	878
Capitalized Software [Member]
Finite-Lived Intangible Assets [Line Items]
Identified Intangible Assets, Weighted Average Useful Life in Years	2 years
Identified Intangible Assets, Gross Carrying Amount	1,190	2,662
Finite-Lived Intangible Assets, Accumulated Amortization	1,160	2,648
Identified Intangible Assets, Net Carrying Amount	30	14
Purchased Software [Member]
Finite-Lived Intangible Assets [Line Items]
Identified Intangible Assets, Weighted Average Useful Life in Years	5 years
Identified Intangible Assets, Gross Carrying Amount	700	700
Finite-Lived Intangible Assets, Accumulated Amortization	700	700
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Identified Intangible Assets, Weighted Average Useful Life in Years	20 years
Identified Intangible Assets, Gross Carrying Amount	160	160
Finite-Lived Intangible Assets, Accumulated Amortization	65	57
Identified Intangible Assets, Net Carrying Amount	95	103
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Identified Intangible Assets, Weighted Average Useful Life in Years	10 years
Identified Intangible Assets, Gross Carrying Amount	1,790	1,790
Finite-Lived Intangible Assets, Accumulated Amortization	1,195	1,029
Identified Intangible Assets, Net Carrying Amount	595	761
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Identified Intangible Assets, Weighted Average Useful Life in Years	4 years
Identified Intangible Assets, Gross Carrying Amount	640	640
Finite-Lived Intangible Assets, Accumulated Amortization	640	640
Trademark [Member]
Finite-Lived Intangible Assets [Line Items]
Identified Intangible Assets, Weighted Average Useful Life in Years	2 years
Identified Intangible Assets, Gross Carrying Amount	21	21
Finite-Lived Intangible Assets, Accumulated Amortization	21	21
Loan Acquisition Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Identified Intangible Assets, Weighted Average Useful Life in Years	4 years
Identified Intangible Assets, Gross Carrying Amount	88
Finite-Lived Intangible Assets, Accumulated Amortization	16
Identified Intangible Assets, Net Carrying Amount	$ 72