XML 51 R38.htm IDEA: XBRL DOCUMENT v3.6.0.2
Summary of Significant Accounting Policies (Earnings per Share) (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Numerator:                      
Income from continuing operations $ 4,113 $ 6,065 $ 3,397 $ 4,260 $ 3,902 $ 5,402 $ 5,847 $ 4,416 $ 17,835 $ 19,567 $ 21,029
Income from discontinued operations                   491 (7,848)
Net income $ 4,113 $ 6,065 $ 3,397 $ 4,260 $ 3,860 $ 5,506 $ 6,248 $ 4,444 $ 17,835 $ 20,058 $ 13,181
Denominator:                      
Weighted average shares of common stock outstanding                 11,842 11,959 12,670
Effect of dilutive common stock equivalents                 105 112 108
Weighted average shares of common stock outstanding                 11,947 12,071 12,778
Basic earnings (loss) per share                      
Earnings per share from continuing operations                 $ 1.51 $ 1.64 $ 1.66
Earnings per share from discontinued operations                   0.04 (0.62)
Earnings per share                 1.51 1.68 1.04
Diluted earnings (loss) per share                      
Earnings per share from continuing operations $ 0.34 $ 0.51 $ 0.29 $ 0.36 $ 0.33 $ 0.45 $ 0.48 $ 0.36 1.49 1.62 1.65
Earnings per share from discontinued operations                   0.04 (0.62)
Earnings per share $ 0.34 $ 0.51 $ 0.29 $ 0.36 $ 0.33 $ 0.46 $ 0.51 $ 0.36 $ 1.49 $ 1.66 $ 1.03