CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Income Statement
Net revenues	$ 12,921	$ 14,227	$ 40,523	$ 40,435
Cost of revenues	6,535	7,577	19,925	21,785
Gross profit	6,386	6,650	20,598	18,650
Operating expenses:
Research and development	2,782	2,850	8,720	8,869
Selling, general and administrative	5,164	4,454	14,743	12,945
Total operating expenses	7,946	7,304	23,463	21,814
Loss from operations	(1,560)	(654)	(2,865)	(3,164)
Interest income, net	78	76	229	249
Other income (expense), net	11	25	(45)	35
Loss before income taxes	(1,471)	(553)	(2,681)	(2,880)
Benefit for income taxes	(652)	(701)	(598)	(632)
Net income (loss)	$ (819)	$ 148	$ (2,083)	$ (2,248)
Net income (loss) per share:
Basic	$ (0.04)	$ 0.01	$ (0.09)	$ (0.09)
Diluted	$ (0.04)	$ 0.01	$ (0.09)	$ (0.09)
Weighted average shares used in per share calculations:
Basic	22,612	23,738	22,743	25,591
Diluted	22,612	24,325	22,743	25,591