EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended			6 Months Ended		12 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2012
Earnings Per Share [Line Items]
Common stock, shares issuable	17,726,847			17,726,847		17,676,278
Common stock, shares outstanding	17,726,847			17,726,847		17,676,278
Common stock, shares authorized	50,000,000			50,000,000		50,000,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	20,271,204			20,282,747
Numerator:
NET INCOME BEFORE PREFERRED STOCK DIVIDENDS	$ 2,882	$ 3,095	$ 6,478	$ 5,977	$ 9,807	$ 8,123
PREFERRED STOCK DIVIDENDS	(782)		(694)	(1,540)	(1,354)
NET INCOME APPLICABLE TO COMMON STOCKHOLDERS	$ 2,100		$ 5,784	$ 4,437	$ 8,453
Denominator:
Weighted average common shares for basic EPS	17,724,389		15,142,066	17,722,242	15,001,283
Effect of dilutive securities:
Average price during period (in dollars per share)	$ 7.71		$ 6.97	$ 8.02	$ 7.17
Long term incentive stock option plan (in shares)	479,785		479,785	479,785	479,785
Average exercise price of stock options (in dollars per share)	$ 5.66		$ 5.66	$ 5.66	$ 5.66
Shares that could be acquired with the proceeds of options	352,325		389,567	338,635	378,755
Dilutive shares due to options	127,460		90,219	141,150	101,030
Weighted average convertible preferred shares at $6.20	2,419,355		2,419,355	2,419,355	2,419,355
Weighted average common shares for diluted EPS	17,724,389		17,651,640	17,722,242	17,521,668
Basic EPS (in dollars per share)	$ 0.12		$ 0.38	$ 0.25	$ 0.56
Diluted EPS (in dollars per share)	$ 0.12		$ 0.37	$ 0.25	$ 0.56
Series A Preferred Stock [Member]
Effect of dilutive securities:
Conversion price per share	$ 6.20		$ 6.20	$ 6.20	$ 6.20