XML 80 R64.htm IDEA: XBRL DOCUMENT v3.10.0.1
NET INCOME (LOSS) PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Numerator:                      
Net loss $ 8,285 $ (640) $ 2,564 $ (10,680) $ 4,595 $ (7,597) $ (19,743) $ (19,866) $ (471) $ (42,611) $ (37,949)
Weighted average common shares outstanding—basic (in shares)                 40,911 39,806 37,236
Basic and diluted net income (loss) per common share (in dollars per share) $ 0.20 $ (0.02) $ 0.06 $ (0.26) $ 0.11 $ (0.19) $ (0.49) $ (0.52) $ (0.01) $ (1.07) $ (1.02)