CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net revenue
Product	$ 565	$ 437	$ 1,288	$ 1,993
Royalty and other	457	716	1,504	2,241
Total net revenue	1,022	1,153	2,792	4,234
Cost of net revenue	793	447	1,593	2,046
Gross profit	229	706	1,199	2,188
Operating expenses
Research and development	8,793	7,507	21,475	20,993
Selling, general and administrative	1,547	1,689	4,711	4,976
Total operating expenses	10,340	9,196	26,186	25,969
Loss from operations	(10,111)	(8,490)	(24,987)	(23,781)
Other income, net	19	30	71	115
Loss before income taxes	(10,092)	(8,460)	(24,916)	(23,666)
Income tax provision	13	23	60	65
Net loss	(10,105)	(8,483)	(24,976)	(23,731)
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on available-for-sale securities	6	(17)	7	(20)
Comprehensive loss	$ (10,099)	$ (8,500)	$ (24,969)	$ (23,751)
Net loss per share
Basic and diluted (in dollars per share)	$ (0.15)	$ (0.17)	$ (0.41)	$ (0.48)
Shares used in computing net loss per share
Basic and diluted (in shares)	65,317	49,634	61,486	49,441

Represents the amount of revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property and revenues from the sale of other goods or rendering of other services, not elsewhere specified in the taxonomy; net of (reduced by) sales adjustments, returns, allowances, and discounts.

No definition available.