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v3.19.3.a.u2

Business and Geographic Segments - Business Segment Information by Geographical Areas (Detail) - USD ($) $ 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
Net sales: |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 29,600 | $ 29,700 | $ 33,700 | $ 31,200 | $ 27,400 | $ 30,000 | $ 32,400 | $ 28,400 | $ 124,243 | $ 118,217 | $ 112,035
Total assets | 178,544 |  |  |  | 166,429 |  |  |  | 178,544 | 166,429 | 150,959
Operating Segments | Security Products |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 99,328 | 98,383 | 96,600
Total assets | 73,697 |  |  |  | 74,714 |  |  |  | 73,697 | 74,714 | 72,961
Operating Segments | Marine Components |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 24,915 | 19,834 | 15,435
Total assets | 15,256 |  |  |  | 14,189 |  |  |  | 15,256 | 14,189 | 11,704
Corporate and eliminations |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Total assets | $ 89,591 |  |  |  | $ 77,526 |  |  |  | 89,591 | 77,526 | 66,294
Point Of Destination | United States |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 114,186 | 108,773 | 103,646
Point Of Destination | Canada |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 7,257 | 6,436 | 5,353
Point Of Destination | Mexico |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 922 | 1,438 | 1,486
Point Of Destination | Other |  |  |  |  |  |  |  |  |  |  |
Net sales: |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 1,878 | $ 1,570 | $ 1,550

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