SHAREHOLDERS' EQUITY (Details 3) (USD $)	12 Months Ended			1 Months Ended	12 Months Ended			13 Months Ended	0 Months Ended	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 September 2011 share repurchase program	Sep. 30, 2012 September 2011 share repurchase program	Sep. 30, 2011 September 2011 share repurchase program	Sep. 30, 2010 September 2011 share repurchase program	Sep. 30, 2012 September 2011 share repurchase program	Oct. 27, 2010 Previously announced tender offer	Sep. 30, 2012 Shares repurchased and initially held as treasury shares	Sep. 30, 2011 Shares repurchased and initially held as treasury shares	Sep. 30, 2010 Shares repurchased and initially held as treasury shares
Share Buyback and Treasury Shares
Authorized amount under the share repurchase program				$ 2,000,000
Shares repurchased (in shares)	139,507	154,692			139,507	154,692		146,812	147,388
Shares repurchased (in shares)			52,403				52,403
Total purchase price of shares tendered (in dollars per share)			$ 5.55		$ 6.30	$ 6.35		$ 6.31	$ 6.30
Treasury shares issued in connection with the vesting of restricted stock under the incentive plans										40,925	37,850	30,800
Shares cancelled and restored to status of authorized and unissued shares	1,380,978
Total purchase price	$ 880,000	$ 1,224,000							$ 929,000