CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data	Jul. 02, 2011	Sep. 30, 2010
Current assets:
Trade receivables, allowances for doubtful accounts	$ 44	$ 53
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized (in shares)	8,000,000	8,000,000
Common stock, outstanding (in shares)	3,360,322	3,340,322