CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Income Statement
Net revenues	$ 10,049	$ 14,702	$ 34,808	$ 38,800
Cost of revenues	4,000	4,663	13,948	14,942
Gross profit	6,049	10,039	20,860	23,858
Operating expenses:
Research and development	8,208	5,171	19,636	15,773
Selling, general and administrative	2,584	2,632	8,119	7,902
Total operating expenses	10,792	7,803	27,755	23,675
Income (loss) from operations	(4,743)	2,236	(6,895)	183
Interest income, net	190	195	610	488
Other income (expense), net	17	(99)	(46)	(224)
Income (loss) before income taxes	(4,536)	2,332	(6,331)	447
Provision for income taxes	84	70	182	182
Net income (loss)	$ (4,620)	$ 2,262	$ (6,513)	$ 265
Net income (loss) per share:
Basic	$ (0.20)	$ 0.10	$ (0.28)	$ 0.01
Diluted	$ (0.20)	$ 0.10	$ (0.28)	$ 0.01
Weighted average shares used in per share calculations:
Basic	23,096	21,979	22,894	21,798
Diluted	23,096	22,769	22,894	23,139