Annual report pursuant to Section 13 and 15(d)

SUMMARY QUARTERLY DATA (unaudited) (Details)

v3.3.1.900
SUMMARY QUARTERLY DATA (unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Operating Loss $ (13,402) $ (13,280) $ (11,784) $ (9,696) $ (9,004) $ (7,434) $ (6,049) $ (5,169) $ (48,162) $ (27,656) $ (10,888)
NET LOSS $ (13,360) $ (13,250) $ (11,763) $ (9,681) $ (8,989) $ (7,419) $ (6,044) $ (5,164) $ (48,054) $ (27,616) $ (10,884)
Net loss per common share, basic and diluted $ (0.71) $ (0.72) $ (0.73) $ (0.71) $ (0.83) $ (0.71) $ (0.61) $ (0.59) $ (2.86) $ (2.77) $ (3.37)