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Earnings per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Earnings Per Share [Abstract]    
Net (Loss) Income, Basic $ 3,444 $ (12,784)
Net (Loss) Income, Diluted [1] $ 3,444 $ (12,784)
Weighted Average Number of Shares Outstanding, Basic 2,293,688 2,312,810
Weighted Average Number of Shares Outstanding, Options 751,563  
Weighted Average Number of Shares Outstanding, Diluted [1] 3,045,251 2,312,810
Per Share Amount, Basic $ 1.50 $ (5.53)
Per Share Amount, Diluted [1] $ 1.13 $ (5.53)
[1] The effect of the 767,500 outstanding stock options is antidilutive for the twelve months ended December 31, 2015 due to a net loss reported for the period.