2. NET INCOME (LOSS) PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
NET INCOME (LOSS) PER COMMON SHARE
Net income (loss)	$ 260	$ (917)
Weighted average shares-Basic	21,299	22,943
Dilutive effect of employee stock options	223
Dilutive effect of employee stock purchase plan options	4
Weighted average shares-Dilutive	21,526	22,943
Net income (loss) per common share - Basic	$ 0.01	$ (0.04)
Net income (loss) per common share - Diluted	$ 0.01	$ (0.04)