Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Dec. 26, 2023	Sep. 26, 2023
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)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	12,977,433	12,977,433
Common stock, shares outstanding (in shares)	11,285,815	11,446,587
Treasury stock, shares (in shares)	1,691,618	1,530,846