XML 101 R84.htm IDEA: XBRL DOCUMENT v3.19.1
Quarterly Results of Operations (unaudited) - Schedule of Quarterly Results of Operations (Details) - USD ($)
$ / shares in Units, $ 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
Quarterly Results of Operations (unaudited)                      
Total Revenue $ 64,799 $ 52,495 $ 49,554 $ 45,432 $ 54,506 $ 51,126 $ 45,694 $ 41,965 $ 212,280 $ 193,291 $ 192,304
Gross profit 42,246 34,543 35,981 34,697 35,908 36,646 32,048 29,912 147,467 134,514 130,657
Operating costs 38,145 37,657 38,592 33,049 34,730 31,534 32,448 29,610 147,443 128,322 121,058
Operating income (loss) 4,101 (3,114) (2,611) 1,648 1,178 5,112 (400) 302 24 6,192 9,599
Provision (benefit) for income taxes 650 (1,702) (872) 629 27,786 2,558 313 233 (293) 30,780 863
Net income $ 3,964 $ (908) $ (1,002) $ 1,792 $ (25,837) $ 2,755 $ 110 $ 573 $ 3,846 $ (22,399) $ 10,514
Net income/(loss) per share:                      
Basic (in dollars per share) $ 0.10 $ (0.02) $ (0.03) $ 0.04 $ (0.65) $ 0.07 $ 0.00 $ 0.01 $ 0.10 $ (0.56) $ 0.27
Diluted (in dollars per share) $ 0.10 $ (0.02) $ (0.03) $ 0.04 $ (0.65) $ 0.07 $ 0.00 $ 0.01 $ 0.10 $ (0.56) $ 0.27