Retirement Benefit Plans (Details Narrative) - USD ($) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Oct. 02, 2021 |
Jan. 02, 2021 |
|
| Accrued amount for non discretionary safe harbor contribution | $ 332,092 | |
| Pension Benefit [Member] | ||
| Cash contributions | 1,856,000 | $ 2,300,000 |
| Other Postretirement Benefit [Member] | ||
| Cash contributions | $ 11,000 | $ 50,000 |