| Schedule of Business Segment Information |
| | | | | | | | | Three months ended | | | March 31, | | | 2025 | | 2026 | | | | (In thousands) | Net sales: | | | | | | | Security Products | | $ | 30,230 | | $ | 29,896 | Marine Components | | | 10,042 | | | 10,673 | Total | | $ | 40,272 | | $ | 40,569 | | | | | | | | Cost of sales: | | | | | | | Security Products | | $ | 21,232 | | $ | 19,872 | Marine Components | | | 6,877 | | | 7,445 | Total | | $ | 28,109 | | $ | 27,317 | | | | | | | | Gross margin: | | | | | | | Security Products | | $ | 8,998 | | $ | 10,024 | Marine Components | | | 3,165 | | | 3,228 | Total | | $ | 12,163 | | $ | 13,252 | | | | | | | | Segment selling, general and administrative expense: | | | | | | | Security Products | | $ | 3,477 | | $ | 3,449 | Marine Components | | | 924 | | | 917 | Total | | $ | 4,401 | | $ | 4,366 | | | | | | | | Operating income: | | | | | | | Security Products | | $ | 5,521 | | $ | 6,575 | Marine Components | | | 2,241 | | | 2,311 | Segment operating income | | | 7,762 | | | 8,886 | Corporate operating expenses | | | (1,893) | | | (1,836) | Total operating income | | | 5,869 | | | 7,050 | Interest income | | | 873 | | | 677 | Income before income taxes | | $ | 6,742 | | $ | 7,727 | | | | | | | | Depreciation and amortization: | | | | | | | Security Products | | $ | 644 | | $ | 576 | Marine Components | | | 301 | | | 292 | Total | | $ | 945 | | $ | 868 |
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