NET INCOME PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Numerator:
Net income	$ 3,229	$ 2,864
Denominator:
Weighted average common shares outstanding - basic (in shares)	22,229,000	21,817,000
Weighted average effect of dilutive securities:
Stock options (in shares)	26,000	107,000
Restricted stock units (in shares)	288,000	266,000
Warrants (in shares)	28,000	27,000
Weighted average common shares outstanding - diluted (in shares)	22,571,000	22,217,000
Net income per share:
Basic net income per share (in dollars per share)	$ 0.15	$ 0.13
Diluted net income per share (in dollars per share)	$ 0.14	$ 0.13
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares underlying antidilutive securities (in shares)	0	66,000
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares underlying antidilutive securities (in shares)	0	0
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of shares underlying antidilutive securities (in shares)	0	0