XML 92 R78.htm IDEA: XBRL DOCUMENT v3.3.1.900
Quarterly Financial Results (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]                      
Product sales $ 27,259 $ 25,276 $ 15,622 $ 17,946 $ 15,386 $ 16,862 $ 20,998 $ 18,007 $ 76,213 $ 81,143 $ 90,295
Service sales 26,760 25,158 28,833 26,909 25,919 27,388 19,924 18,978 108,421 91,448 71,993
Gross profit 25,983 22,567 19,726 19,145 17,560 18,802 17,485 14,593      
Net (loss) income $ 4,101 $ 958 $ (463) $ 37 $ (1,422) $ 151 $ 55 $ (1,123) $ 2,253 $ 41 $ 4,533
Net (loss) income per share:                      
Basic (in dollars per share) $ 0.26 [1] $ 0.06 [1] $ (0.03) [1] $ 0 [1] $ (0.09) [1] $ 0.01 [1] $ 0 [1] $ (0.07) [1] $ 0.14 $ 0.00 $ 0.30
Diluted (in dollars per share) $ 0.26 [1] $ 0.06 [1] $ (0.03) [1] $ 0 [1] $ (0.09) [1] $ 0.01 [1] $ 0 [1] $ (0.07) [1] $ 0.14 $ 0.00 $ 0.30
[1] Net (loss) income per share is computed independently for each of the quarters. Therefore, the net (loss) income per share for the four quarters may not equal the annual net (loss) income per share data.