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AVAILABLE-FOR-SALE SECURITIES (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Available-for-sale securities                      
Market value $ 1,249       $ 2,766       $ 1,249 $ 2,766  
Details regarding sales of available-for-sale securities                      
Proceeds from sale                 3,939 7,590 3,425
Less cost basis                 3,334 6,271 1,839
Gain (loss) on sale 185 96 342 (18) 129 176 593 421 605 1,319 1,586
Equity securities
                     
Available-for-sale securities                      
Cost basis 7,890       2,488       7,890 2,488  
Unrealized gains 499       406       499 406  
Unrealized losses (39)       (128)       (39) (128)  
Equity securities | Fair value on a recurring basis | Level 1
                     
Available-for-sale securities                      
Market value $ 1,249       $ 2,766       $ 1,249 $ 2,766