Consolidated Balance Sheets (Parentheticals) - $ / shares	Sep. 29, 2018	Sep. 30, 2017
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	18,754,000	18,663,000
Common stock, shares outstanding (in shares)	18,754,000	18,663,000