Condensed Consolidated Statements of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net revenues	$ 41,498	$ 37,813
Cost of revenues	16,029	16,806
Gross profit	25,469	21,007
Operating expenses:
Research and development	27,485	21,617
Selling, general and administrative	8,699	8,764
Restructuring	0	96
Total operating expenses	36,184	30,477
Operating loss	(10,715)	(9,470)
Realized gain on short-term investments and interest income, net	230	1,619
Other income, net	17	25
Loss before income taxes	(10,468)	(7,826)
Income tax provision (benefit)	71	(422)
Net loss	$ (10,539)	$ (7,404)
Basic and diluted net loss per share (in dollars per share)	$ (0.12)	$ (0.09)
Shares used in calculating basic and diluted net loss per share (in shares)	84,980	81,179

The aggregate cost of goods produced and sold and services rendered during the reporting period.

Name:	us-gaap_CostOfRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

No definition available.