Note 3 - Investments (Tables)

12 Months Ended

Jul. 01, 2018

Notes Tables

Available-for-sale Securities [Table Text Block]

	Original Cost		Unrealized Gain		Unrealized Loss			Fair Value
Ju ly 1 , 20 1 8
Equity securities	$	1,279,914	$	3,545,288	$	(8,398	)	$	4,816,804
Mutual fund		1,864,296		-		(39,450	)		1,824,846
Certificates of deposits & Treasury bills		333,029		-		-			333,029
Ju ly 2 , 20 1 7
Equity securities	$	1,279,914	$	3,996,702	$	(4,298	)	$	5,272,318
Mutual fund		2,800,144		17,248		-			2,817,392
Certificates of deposits		133,922		-		-			133,922

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 months					12 Months or greater					Total
July 1, 2018	Fair Value		Unrealized loss			Fair Value		Unrealized loss			Fair Value		Unrealized loss
Equity securities	$	711	$	(479	)	$	1,608	$	(7,919	)	$	2,319	$	(8,398	)

	Less than 12 months				12 Months or greater					Total
July 2, 2017	Fair Value		Unrealized loss		Fair Value		Unrealized loss			Fair Value		Unrealized loss
Equity securities	$	-	$	-	$	5,229	$	(4,298	)	$	5,299	$	(4,298	)

Schedule Of Telecommunications Stocks Held [Table Text Block]

AT&T shares	82,112
Manulife shares	2,520
NCR shares	774
Teradata shares	774
Vodafone shares	6,471
CenturyLink shares	4,398
Frontier Communications shares	300
Sprint shares	40,000
Verizon shares	31,904
Windstream shares	135
Uniti shares	815

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	Quoted		Significant				Unrealized			Cumulative
	Price for		Other		Significant		gains/(losses)			Unrealized
	Identical		Observable		Unobservable		for the			gains/(losses)
	Assets		Inputs		Inputs		Year Ended			as of
Description	(Level 1)		(Level 2)		(Level 3)		July 1, 2018			July 1, 2018
Equity securities	$	4,816,804	$	-	$	-	$	(455,514	)	$	3,536,890
Mutual fund		1,824,846		-		-		(62,572	)		(39,450	)
Certificates of deposits		-		333,029		-		-			-
TOTAL	$	6,641,650	$	333,029		-	$	(518,086	)	$	3,497,440

	Quoted		Significant				Unrealized			Cumulative
	Price for		Other		Significant		gains/(losses)			Unrealized
	Identical		Observable		Unobservable		for the			gains/(losses)
	Assets		Inputs		Inputs		Year Ended			as of
Description	(Level 1)		(Level 2)		(Level 3)		July 2, 2017			July 2, 2017
Equity securities	$	5,272,318	$	-	$	-	$	(729,508	)	$	3,992,404
Mutual fund		2,817,392		-		-		(91,507	)		17,248
Certificates of deposits		-		133,922		-		-			-
TOTAL	$	8,089,710	$	133,922		-	$	(821,015	)	$	4,009,652