Note 2 - Fair Value of Financial Instruments - Fair Value Measurement of Assets (Details) - USD ($)	Oct. 01, 2016	Oct. 03, 2015
Cash value of life insurance policies	$ 2,697,465	$ 2,543,192
Fair Value, Inputs, Level 2 [Member]
Cash value of life insurance policies	$ 2,697,465	$ 2,543,192

Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Surrender Value
-URI http://asc.fasb.org/extlink&oid=6507153

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant