CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Income Statement
Net revenues	$ 13,019	$ 11,266
Cost of revenues	4,776	5,478
Gross profit	8,243	5,788
Operating expenses:
Research and development	5,595	4,850
Selling, general and administrative	2,877	2,597
Total operating expenses	8,472	7,447
Loss from operations	(229)	(1,659)
Interest income, net	205	138
Other expense, net	(58)	(115)
Loss before income taxes	(82)	(1,636)
Provision for income taxes	43	10
Net loss	$ (125)	$ (1,646)
Net loss per share:
Basic	$ (0.01)	$ (0.08)
Diluted	$ (0.01)	$ (0.08)
Weighted average shares used in per share calculations:
Basic	22,605	21,567
Diluted	22,605	21,567