Annual report pursuant to Section 13 and 15(d)

Quarterly Results (Unaudited) (Details)

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Quarterly Results (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]                      
Net sales $ 67,946 $ 73,640 $ 78,778 $ 84,804 $ 72,674 $ 77,793 $ 71,894 $ 58,480 $ 305,168 $ 280,841 $ 201,148
Gross profit 6,963 7,288 7,838 8,684 10,259 14,028 15,716 11,234 30,773 51,237 28,081
Net (loss) income $ (893) $ (953) $ (263) $ (927) $ 549 $ 5,036 $ 3,677 $ 3,835 $ (3,036) $ 13,097 $ 1,341
Per common share(1)                      
Basic (in dollars per share) $ (0.10) $ (0.11) $ (0.03) $ (0.10) $ 0.06 $ 0.57 $ 0.42 $ 0.44 $ (0.34) $ 1.49 $ 0.15
Diluted (in dollars per share) $ (0.10) $ (0.11) $ (0.03) $ (0.10) $ 0.06 $ 0.56 $ 0.41 $ 0.44 $ (0.34) $ 1.48 $ 0.15