INCOME PER COMMON AND COMMON EQUIVALENT SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
INCOME PER COMMON AND COMMON EQUIVALENT SHARE
Common stock equivalents excluded from diluted earnings per share as their effect is anti-dilutive (in shares)	184,000	202,000
Earnings Per Share - Basic:
Net income	$ 4,865	$ 4,202
Weighted average number of common shares outstanding - basic	7,842,000	8,853,000
Net income per share - basic (in dollars per share)	$ 0.62	$ 0.47
Earnings Per Share - Diluted:
Net income	$ 4,865	$ 4,202
Weighted average number of common shares outstanding	7,842,000	8,853,000
Assumed exercise of stock options, warrants, restricted stock and restricted stock units, using the treasury stock method (in shares)	40,000	52,000
Weighted average number of common and potential common shares outstanding - diluted	7,882,000	8,905,000
Net income per share - diluted (in dollars per share)	$ 0.62	$ 0.47