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Business and Geographic Segments - Schedule of Business Segment Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Net sales: |  |  |
Total net sales | $ 166,562 | $ 140,815 | $ 114,537
Operating income (loss): |  |  |
Total operating income | 25,436 | 20,526 | 11,817
Interest income | 1,877 | 1,197 | 1,680
Income before income taxes | 27,313 | 21,723 | 13,497
Depreciation and amortization | 3,977 | 3,839 | 3,827
Total capital expenditures | 3,695 | 4,094 | 1,740
Operating Segments | Security Products |  |  |
Net sales: |  |  |
Total net sales | 114,519 | 105,124 | 87,863
Operating income (loss): |  |  |
Total operating income | 22,744 | 21,622 | 14,926
Depreciation and amortization | 2,801 | 2,890 | 3,069
Total capital expenditures | 2,015 | 1,044 | 1,252
Operating Segments | Marine Components |  |  |
Net sales: |  |  |
Total net sales | 52,043 | 35,691 | 26,674
Operating income (loss): |  |  |
Total operating income | 9,561 | 5,591 | 4,088
Depreciation and amortization | 1,167 | 940 | 757
Total capital expenditures | 1,680 | 3,050 | 458
Corporate |  |  |
Operating income (loss): |  |  |
Total operating income | (6,869) | (6,687) | (7,197)
Depreciation and amortization | $ 9 | $ 9 | 1
Total capital expenditures |  |  | $ 30

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