Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Numerator:
Net loss available to common stockholders	$ (1,325)	$ (1,680)	$ (1,826)	$ (4,044)
Denominator:
Common shares used in basic and diluted calculation	90,774	88,289	90,062	88,812
Net loss per share:
Basic and diluted net loss per share	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.05)