Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Share (EPS) - Summary of Earnings Per Share (EPS) (Detail)

v3.10.0.1
Earnings (Loss) Per Share (EPS) - Summary of Earnings Per Share (EPS) (Detail)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 26, 2018
Jun. 30, 2018
USD ($)
$ / shares
shares
Jun. 30, 2017
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
$ / shares
shares
Jun. 30, 2017
USD ($)
$ / shares
shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Net income (loss) available to common stockholders | $   $ (23,784) $ (31,127) $ (53,486) $ (70,936)
Basic earnings (loss) per share (in shares) [1]   9,292,224 9,188,888 9,271,759 8,933,945
Basic earnings (loss) per common share (in dollars per share) | $ / shares [1]   $ (2.56) $ (3.39) $ (5.77) $ (7.94)
Effect of dilutive securities:          
Restricted stock units (in shares)   0 0 0 0
Convertible preferred stock (in shares)   0 0 0 0
Diluted earnings (loss) per share (in shares) [1]   9,292,224 9,188,888 9,271,759 8,933,945
Diluted earnings (loss) per common share (in dollars per share) | $ / shares [1]   $ (2.56) $ (3.39) $ (5.77) $ (7.94)
Shares excluded from the computation of diluted EPS       1,587,300  
Subsequent Event          
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Reverse stock split, conversion ratio 15        
[1] See Note 7 - Stockholders' Equity for details regarding the 1-for-15 reverse stock split.