Stock Options and awards (Details 2) - Stock Options [Member] - shares	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Issued	43,300	27,300
Number of units outstanding at beginning of period	27,300	25,000
Number of units, Forfeited	(6,100)	(25,000)
Number of units outstanding at end of period	64,500	27,300