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Net (Loss) Income Per Share - Additional Information (Detail) - $ / shares
shares in Thousands
3 Months Ended 6 Months Ended
Mar. 15, 2016
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Earnings Per Share [Line Items]          
Exercisable options outstanding that enable to purchase shares   825 825 825 825
Equity option          
Earnings Per Share [Line Items]          
Shares with dilutive effect and included in computation of diluted income (loss) per share   180 339 237 318
Options excluded from computation of diluted income (loss) per share due to anti-dilutive effect   240 260 240 260
Restricted stock          
Earnings Per Share [Line Items]          
Exercisable options outstanding that enable to purchase shares   270 141 270 141
Shares with dilutive effect and included in computation of diluted income (loss) per share     25   11
Restricted stock | Executive Officer          
Earnings Per Share [Line Items]          
Compensation awarded restricted stock units 146        
Closing market price of the common stock $ 2.30