NET INCOME PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Numerator:
Net income	$ 2,864	$ 2,214
Denominator:
Weighted average common shares outstanding - basic (in shares)	21,817,000	22,681,000
Weighted average effect of dilutive securities:
Stock options (in shares)	107,000	189,000
Restricted stock units (in shares)	266,000	216,000
Warrants (in shares)	27,000	9,000
Weighted average common shares outstanding - diluted (in shares)	22,217,000	23,095,000
Net income per share:
Basic net income per share (in dollars per share)	$ 0.13	$ 0.10
Diluted net income per share (in dollars per share)	$ 0.13	$ 0.10
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares underlying antidilutive restricted stock units (in shares)	66,000	0
Restricted stock unit awards (performance vesting) not included in the diluted net income per share calculation (in shares)	21,000