Note A - Summary of Significant Accounting Policies - Unreconized Tax Benefits (Details) - USD ($)	12 Months Ended
Sep. 29, 2018	Sep. 30, 2017
Unrecognized Tax Benefits, Ending Balance	$ 394,000	$ 374,000
Additions based on tax positions related to the current year	20,000
Reductions for tax positions of prior years

Amount of unrecognized tax benefits.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI http://asc.fasb.org/extlink&oid=84176650&loc=SL37586934-109318

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

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