Segment Information (Schedule Of Information By Geographic Location) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012
Segment Reporting Information [Line Items]
Total revenue	$ 6,821	$ 6,271
Operating income (loss)	(50)	632
Long-lived assets	8,578		9,101
Domestic
Segment Reporting Information [Line Items]
Total revenue	5,930	5,443
Operating income (loss)	338	660
Long-lived assets	8,501		9,018
International
Segment Reporting Information [Line Items]
Total revenue	1,125	1,051
Operating income (loss)	(388)	(28)
Long-lived assets	77		83
Intercompany Eliminations
Segment Reporting Information [Line Items]
Total revenue	(234)	(223)
Operating income (loss)
Long-lived assets