Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Revenue	$ 0	$ 0
Operating expenses:
Research and development	5,130	9,377
General and administrative	7,351	10,479
Product manufacturing	7,532	1,882
Total operating expenses	20,013	21,738
Loss from operations	(20,013)	(21,738)
Other income	67	1,413
Interest expense on note payable to principal stockholder	(721)	(714)
Interest expense on notes	(4,221)	(9,622)
Interest income	15	3
Loss before benefit for income taxes	(24,873)	(30,658)
Income tax benefit	0	0
Net loss	$ (24,873)	$ (30,658)
Net loss per share - basic and diluted	$ (0.06)	$ (0.08)
Shares used to compute basic and diluted net loss per share	428,858	398,916

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.

No definition available.