NET INCOME PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator: [Abstract]
Income from continuing operations	$ 7,823	$ 5,712	$ 14,818	$ 10,786
Loss from discontinued operations, net of tax	(7)	(312)	(7)	(671)
Net income	$ 7,816	$ 5,400	$ 14,811	$ 10,115
Weighted average common shares outstanding [Abstract]
Basic (in shares)	22,701,000	22,507,000	22,663,000	22,458,000
Effect of dilutive securities: [Abstract]
Stock options (in shares)	0	2,000	0	2,000
Restricted stock units (in shares)	162,000	172,000	212,000	201,000
Warrants (in shares)	0	9,000	1,000	17,000
Diluted (in shares)	22,863,000	22,690,000	22,876,000	22,678,000
Basic [Abstract]
Continuing operations (in dollars per share)	$ 0.34	$ 0.25	$ 0.65	$ 0.48
Discontinued operations (in dollars per share)	0	(0.01)	0	(0.03)
Basic net income per share (in dollars per share)	0.34	0.24	0.65	0.45
Diluted [Abstract]
Continuing operations (in dollars per share)	0.34	0.25	0.65	0.48
Discontinued operations (in dollars per share)	0	(0.01)	0	(0.03)
Diluted net income per share (in dollars per share)	$ 0.34	$ 0.24	$ 0.65	$ 0.45
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)	95,000	50,000	78,000	0
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	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	0	0