XML 71 R56.htm IDEA: XBRL DOCUMENT v3.10.0.1
Selected Quarterly Financial Information (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Selected Quarterly Financial Information (Unaudited)                      
Net sales $ 54,076 $ 43,908 $ 43,161 $ 40,133 $ 41,650 $ 40,412 $ 41,285 $ 35,907 $ 181,278 $ 159,254 $ 114,397
Cost of sales 7,118 6,011 6,160 5,786 4,630 5,718 5,522 5,180 25,075 21,050 16,177
Gross profit 46,958 37,897 37,001 34,347 37,020 34,694 35,763 30,727 156,203 138,204 98,220
Operating expenses:                      
Selling, general and administrative 32,104 31,632 28,638 27,155 25,963 24,141 24,675 21,481 119,529 96,260 64,756
In-process research and development             5,320     5,320  
Research and development 12,957 13,202 12,611 10,906 10,525 9,805 9,633 8,942 49,676 38,905 29,223
Total operating expenses 45,061 44,834 41,249 38,061 36,488 33,946 39,628 30,423 169,205 140,485 93,979
(Loss) income from operations 1,897 (6,937) (4,248) (3,714) 532 748 (3,865) 304 (13,002) (2,281) 4,241
Non-operating income (expense) 412 353 (1,139) 1,008 437 630 586 629 634 2,282 324
Provision for income taxes 530 37 11 5 (37) 53 22 55 583 93 43
Net (loss) income $ 1,779 $ (6,621) $ (5,398) $ (2,711) $ 1,006 $ 1,325 $ (3,301) $ 878 $ (12,951) $ (92) $ 4,522
Basic net (loss) income per share (in dollars per share) $ 0.05 $ (0.19) $ (0.15) $ (0.08) $ 0.03 $ 0.04 $ (0.10) $ 0.03 $ (0.37) $ 0.00 $ 0.14
Diluted net (loss) income per share (in dollars per share) $ 0.04 $ (0.19) $ (0.15) $ (0.08) $ 0.03 $ 0.04 $ (0.10) $ 0.02 $ (0.37) $ 0.00 $ 0.12