NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule Of Allowance For Doubtful Accounts Receivable) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Nature of Business and Summary of Significant Accounting Policies [Abstract]
Allowance for doubtful accounts balance - beginning of year	$ 106	$ 53	$ 43
Additions to the allowance for doubtful accounts	51	111	18
Deductions against the allowance for doubtful accounts	(129)	(58)	(8)
Allowance for doubtful accounts balance - end of year	$ 28	$ 106	$ 53