Quarterly Results of Operations (Unaudited) - Effect of Adoption of ASC 606 on Net Sales (Details) - USD ($) $ 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 |
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| Net sales | $ 49,055 | $ 47,923 | $ 43,914 | $ 40,552 | $ 44,437 | $ 39,018 | $ 39,021 | $ 38,091 | $ 181,444 | $ 160,567 | $ 164,609 |
| ASU 2014-09 | As Reported | |||||||||||
| Net sales | 126,956 | 106,646 | 102,982 | 112,795 | 449,379 | 418,131 | |||||
| ASU 2014-09 | Impact of Adoption | |||||||||||
| Net sales | $ (82,519) | $ (67,628) | $ (63,961) | $ (74,704) | $ (288,812) | $ (253,522) | |||||
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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