Annual report pursuant to Section 13 and 15(d)

SELECTED QUARTERLY FINANCIAL DATA (Details)

v3.7.0.1
SELECTED QUARTERLY FINANCIAL DATA (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
SELECTED QUARTERLY FINANCIAL DATA                      
Revenue $ 3,000 $ 3,760 $ 8,594 $ 5,029 $ 8,537 $ 12,996 $ 5,184 $ 2,178 $ 20,383 $ 28,895 $ 8,250
Net loss $ (15,590) $ (22,629) $ (13,533) $ (17,464) $ (12,687) $ (6,672) $ (13,912) $ (18,193) $ (69,216) $ (51,464) $ (90,908)
Net loss per share, basic and diluted (in dollars per share) $ (0.16) $ (0.24) $ (0.15) $ (0.19) $ (0.14) $ (0.08) $ (0.16) $ (0.21) $ (0.73) $ (0.58) $ (1.04)
Weighted average shares used in computing net loss per share, basic and diluted (in shares) 98,981 95,454 92,495 90,555 89,038 88,506 88,137 88,043 94,387 88,434 87,662