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Retirement Benefit Plans (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Dec. 30, 2023 | Dec. 31, 2022
Accrued amount for non discretionary safe harbor contribution | $ 328,953 | $ 379,090
Description of investment plan | The Eastern Company Savings and Investment Plan as amended effective April 1, 2023 (“401(k) Plan Amendment”) provides for a match of 50% of the first 6% of employee contributions. The 401(k) Plan Amendment also provides for an additional non-discretionary contribution (the “transitional credit”) for certain non-union U.S. employees. The amount of this non-discretionary contribution ranges from 0% to 4% of wages, based on the age of the individual on June 1, 2016. The 401(k) Plan Amendment provides a non-discretionary safe harbor contribution of 3%. All non-union U.S. employees are eligible to join the plan |
Pension Benefit [Member] |  |
Fair value of plan assets | $ 60,836,643 | 58,527,250
Accumulated benefit obligation | 81,862,011 | 80,701,715
2024 | 5,100,000 |
2025 | 5,300,000 |
2026 | 5,500,000 |
2027 | 5,600,000 |
2028 | 5,700,000 |
2029 through 2033 | 29,100,000 |
Cash contributions | 2,100,000 |
Dividend received | 95,488 | 95,488
Other Postretirement Benefit [Member] |  |
2024 | 46,000 |
2025 | 47,000 |
2026 | 49,000 |
2027 | 49,000 |
2028 | 51,000 |
2029 through 2033 | 281,000 |
Cash contributions | 50,000 |
Eastern Company Common Stock [Member] | Pension Benefit [Member] |  |
Fair value of plan assets | $ 4,774,396 | $ 4,184,107

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