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