CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Consolidated Statements Of Comprehensive Income ( Loss)
Net income (loss)	$ 626	$ (347)	$ 886	$ (1,264)
Net unrealized loss on available-for-sale investments, net of tax	(18)	(12)	(11)	(17)
Total comprehensive income (loss)	$ 608	$ (359)	$ 875	$ (1,281)