Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Mar. 30, 2024	Dec. 30, 2023
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	20,000,000	20,000,000
Common stock, issued (in shares)	14,601,487	14,601,487
Common stock, outstanding (in shares)	14,519,215	14,519,215
Treasury stock, shares (in shares)	82,272	82,272