XML 73 R64.htm IDEA: XBRL DOCUMENT v2.4.0.6
Quarterly Results of Operations (Detail) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Schedule Of Quarterly Financial Information [Line Items]                      
Net sales $ 19,300,000 $ 21,300,000 $ 22,200,000 $ 20,400,000 $ 18,700,000 $ 20,100,000 $ 21,100,000 $ 19,900,000 $ 83,196,000 $ 79,815,000 $ 76,138,000
Gross profit 5,500,000 6,300,000 6,500,000 6,000,000 5,500,000 6,000,000 6,500,000 6,100,000 24,327,000 24,107,000 22,460,000
Operating income   1,600,000 2,200,000 1,600,000 1,400,000 700,000 2,400,000 1,900,000 5,418,000 6,412,000 5,884,000
Income from continuing operations 600,000 800,000 1,200,000 900,000 600,000 500,000 1,400,000 1,000,000      
Discontinued operations 28,100,000 1,800,000 900,000 600,000 400,000 600,000 200,000 3,000,000      
Net income $ 28,700,000 $ 2,600,000 $ 2,100,000 $ 1,500,000 $ 1,000,000 $ 1,100,000 $ 1,600,000 $ 4,000,000 $ 34,961,000 $ 7,673,000 $ 3,052,000
Basic and diluted earnings per share:                      
Continuing operations $ 0.05 $ 0.07 $ 0.10 $ 0.07 $ 0.05 $ 0.04 $ 0.11 $ 0.08 $ 0.28 $ 0.28 $ 0.28
Discontinued operations $ 2.27 $ 0.14 $ 0.07 $ 0.05 $ 0.03 $ 0.05 $ 0.02 $ 0.24 $ 0.31 $ 0.34 $ (0.03)
Net income $ 2.32 $ 0.21 $ 0.17 $ 0.12 $ 0.08 $ 0.09 $ 0.13 $ 0.32 $ 2.82 $ 0.62 $ 0.25