XML 21 R43.htm IDEA: XBRL DOCUMENT v3.2.0.727
Earnings Per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share [Abstract]        
Net Income (Loss), Basic $ (1,933) $ 3,233 $ (1,920) $ 6,042
Net Income (Loss), Diluted $ (1,933) $ 3,233 $ (1,920) $ 6,042
Weighted Average Number of Shares Outstanding, Basic 2,313,963 2,365,764 2,316,144 2,373,109
Weighted Average Number of Shares Outstanding, Options   753,320   752,628
Weighted Average Number of Shares Outstanding, Diluted 2,313,963 3,119,084 2,316,144 3,125,737
Per Share Amount, Basic $ (0.84) $ 1.37 $ (0.83) $ 2.55
Per Share Amount, Diluted $ (0.84) $ 1.04 $ (0.83) $ 1.93