Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Net Income (Loss) per Share - Computation of Basic and Diluted Net (Loss) Per Share (Detail)

v3.10.0.1
Net Income (Loss) per Share - Computation of Basic and Diluted Net (Loss) Per Share (Detail) - 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
Earnings Per Share [Abstract]                      
Net income (loss) $ 353 $ 2,023 $ (380) $ 644 $ 4,549 $ (4,264) $ 483 $ (1,165) $ 2,640 $ (396) $ (6,142)
Deemed dividends on preferred stock                 10,198 3,645 18,011
Gain on redemption of preferred stock                 (9,075) 0 0
Amortization Of Preferred Stock Beneficial Conversion Feature                 (4,571) 6,902 6,663
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS $ 353 $ 2,023 $ 5,924 $ (2,212) $ 1,858 $ (6,915) $ (2,156) $ (3,731) $ 6,088 $ (10,943) $ (30,816)
Basic weighted average common shares outstanding 93,270 87,253 81,017 80,507 86,676 79,617 79,413 78,650 85,618 79,426 77,542
Effect of potentially dilutive securities                 5,950 0 0
Diluted (in dollars per share) 96,874 90,899 90,168 80,507 88,611 79,617 79,413 78,650 91,568 79,426 77,542
Basic net income (loss) per share attributable to common stockholders $ 0.00 $ 0.02 $ 0.07 $ (0.03) $ 0.02 $ (0.09) $ (0.03) $ (0.05) $ 0.07 $ (0.14) $ (0.40)
Diluted net income (loss) per share attributable to common stockholders $ 0.00 $ 0.02 $ 0.07 $ (0.03) $ 0.02 $ (0.09) $ (0.03) $ (0.05) $ 0.07 $ (0.14) $ (0.40)