CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Dec. 31, 2022	Jan. 01, 2022
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	45,000,000	45,000,000
Common stock, shares issued (in shares)	15,523,300	15,414,005
Common stock, shares outstanding (in shares)	15,523,300	15,414,005