| Schedule of accumulated other comprehensive loss |
| | | | | | | | | September 30, | | December 31, | | | 2026 | | 2025 | | | | (Dollars in thousands) | Foreign currency translation adjustments | | $ | (9,024) | | $ | (9,280) | Pension liability, net of tax | | | (4,530) | | | (4,574) | Total accumulated other comprehensive loss | | $ | (13,554) | | $ | (13,854) |
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| Schedule of changes in accumulated other comprehensive loss, net of tax |
| | | | | | | | | | | | Foreign Currency | | | | | | | | | Translation | | Defined Benefit | | | | | | Adjustments | | Pension Items | | Total | | | | (Dollars in thousands) | Balance, January 1, 2026 | | $ | (9,280) | | $ | (4,574) | | $ | (13,854) | Other comprehensive income before reclassifications | | | 100 | | | — | | | 100 | Amounts reclassified from accumulated other comprehensive loss | | | — | | | 15 | | | 15 | Net current period other comprehensive income | | | 100 | | | 15 | | | 115 | Balance, March 31, 2026 | | $ | (9,180) | | $ | (4,559) | | $ | (13,739) | Other comprehensive income before reclassifications | | | 61 | | | — | | | 61 | Amounts reclassified from accumulated other comprehensive loss | | | — | | | 15 | | | 15 | Net current period other comprehensive income | | | 61 | | | 15 | | | 76 | Balance, June 30, 2026 | | $ | (9,119) | | $ | (4,544) | | $ | (13,663) | Other comprehensive income before reclassifications | | | 95 | | | — | | | 95 | Amounts reclassified from accumulated other comprehensive loss | | | — | | | 14 | | | 14 | Net current period other comprehensive income | | | 95 | | | 14 | | | 109 | Balance, September 30, 2026 | | $ | (9,024) | | $ | (4,530) | | $ | (13,554) |
| | | | | | | | | | | | Foreign Currency | | | | | | | | | Translation | | Defined Benefit | | | | | | Adjustments | | Pension Items | | Total | | | | (Dollars in thousands) | Balance, January 1, 2025 | | $ | (11,671) | | $ | (6,263) | | $ | (17,934) | Other comprehensive income before reclassifications | | | 192 | | | — | | | 192 | Amounts reclassified from accumulated other comprehensive loss | | | — | | | 41 | | | 41 | Net current period other comprehensive income | | | 192 | | | 41 | | | 233 | Balance, March 31, 2025 | | $ | (11,479) | | $ | (6,222) | | $ | (17,701) | Other comprehensive income before reclassifications | | | 1,824 | | | — | | | 1,824 | Amounts reclassified from accumulated other comprehensive loss | | | — | | | 41 | | | 41 | Net current period other comprehensive income | | | 1,824 | | | 41 | | | 1,865 | Balance, June 30, 2025 | | $ | (9,655) | | $ | (6,181) | | $ | (15,836) | Other comprehensive income before reclassifications | | | (2) | | | — | | | (2) | Amounts reclassified from accumulated other comprehensive loss | | | — | | | — | | | — | Net current period other comprehensive income | | | (2) | | | — | | | (2) | Balance, September 30, 2025 | | $ | (9,657) | | $ | (6,181) | | $ | (15,838) |
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