STOCK OPTION PLAN (Details) (USD $)	3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2015	Sep. 30, 2014
Number of Shares [Roll Forward]
Options outstanding, beginning of period (in shares)		235,766
Granted (in shares)		0
Exercised (in shares)		0
Forfeited or expired (in shares)		0
Options outstanding, end of period (in shares)	235,766	235,766	235,766
Options exercisable, end of period (in shares)	235,766	235,766
Weighted Average Exercise Price [Roll Forward]
Options outstanding, beginning of period (in dollars per share)		$ 25.20
Granted (in dollars per share)		$ 0
Exercised (in dollars per share)		$ 0
Forfeited or expired (in dollars per share)		$ 0
Options outstanding, end of period (in dollars per share)	$ 25.20	$ 25.20	$ 25.20
Options exercisable, end of period (in dollars per share)	$ 25.20	$ 25.20
Weighted Average Remaining Contractual Term (Yrs) [Abstract]
Options outstanding, beginning of period	3 years 3 months 14 days		3 years 9 months 11 days
Options outstanding, end of period	3 years 3 months 14 days		3 years 9 months 11 days
Options exercisable, end of period	3 years 3 months 14 days
Aggregate Intrinsic Value [Abstract]
Options outstanding, beginning of period		$ 2,507,000
Exercised		0
Forfeited or expired		0
Options outstanding, end of period	3,430,000	3,430,000	2,507,000
Options exercisable, end of period	3,430,000	3,430,000
Nonvested Shares Outstanding, Number of Shares [Roll Forward]
Nonvested shares outstanding, beginning of period (in shares)		4,000
Granted (in shares)		5,200
Vested (in shares)		(5,450)
Forfeited or expired (in shares)		0
Nonvested shares outstanding, end of period (in shares)	3,750	3,750	4,000
Nonvested Shares Outstanding, Weighted Average Fair Value at Grant [Roll Forward]
Nonvested shares outstanding, beginning of period (in dollars per share)		$ 28.61
Granted (in dollars per share)		$ 35.14
Vested (in dollars per share)		$ 33.62
Forfeited or expired (in dollars per share)		$ 0
Nonvested shares outstanding, end of period (in dollars per share)	$ 30.38	$ 30.38	$ 28.61
Stock based compensation expense not yet recognized in income	$ 63,000	$ 63,000
Weighted average remaining period for unrecognized stock based compensation		1 year 8 months 23 days