2. NET INCOME (LOSS) PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net loss	$ (1,740)	$ 626	$ (3,252)	$ 886
Weighted average shares-Basic	21,037	20,529	20,922	20,912
Weighted average shares-Dilutive	21,037	21,104	20,922	21,349
Net loss per common share - Basic	$ (0.08)	$ 0.03	$ (0.16)	$ 0.04
Net loss per common share - Diluted	$ (0.08)	$ 0.03	$ (0.16)	$ 0.04
Employee stock options
Dilutive effect of options		550		412
Employee stock purchase plan options
Dilutive effect of options		25		25

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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