Annual report pursuant to Section 13 and 15(d)

Net Loss per Common Share (Detail)

v3.19.1
Net Loss per Common Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Earnings Per Share [Abstract]                      
Loss from continuing operations, net of taxes $ (6,762) $ (1,136) $ 2,068 $ 1,528 $ (4,212) $ (4,795) $ (6,603) $ (4,087) $ (4,302) $ (19,697) $ (19,138)
Weighted average common shares outstanding, basic and diluted (in shares) 79,404 77,645 77,193 77,645 75,160 72,148 66,846 66,599 77,440 70,263 66,511
Basic and diluted net income / (loss) per common share (in dollars per share) $ (0.09) $ (0.01) $ 0.03 $ 0.02 $ (0.06) $ (0.07) $ (0.10) $ (0.06) $ (0.06) $ (0.28) $ (0.29)
Common stock equivalents excluded from net loss per diluted share because their effect would have been anti-dilutive (in shares)                 3,312 2,572 826