SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Activity in Allowance for Doubtful Accounts) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Opening balance	$ 108	$ 165
Charged to expense	84	13
Accounts written off	15	61
Accounts recovered	(84)	(9)
Ending balance	$ 123	$ 108