Note 3 - Investments - Summary of Investments (Details) - USD ($)	Jul. 01, 2018	Jul. 02, 2017
Equity Securities [Member]
Cost Basis	$ 1,279,914	$ 1,279,914
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax, Total	3,545,288	3,996,702
Unrealized Loss	(8,398)	(4,298)
Fair Value	4,816,804	5,272,318
Mutual Fund [Member]
Cost Basis	1,864,296	2,800,144
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax, Total		17,248
Unrealized Loss	(39,450)
Fair Value	1,824,846	2,817,392
Certificates of Deposit [Member]
Cost Basis	333,029	133,922
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax, Total
Unrealized Loss
Fair Value	$ 333,029	$ 133,922

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

No definition available.

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Balance Type:	debit
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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

+ Details

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- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

No definition available.

+ Details

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

No definition available.

+ Details

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- Details

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- Details

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