Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Oct. 01, 2017	Oct. 02, 2016
Cash Flows From Operating Activities
Net income (loss)	$ 195,192	$ (720)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	236,084	292,694
Loss on involuntary cancellation of available-for-sale securities		5,845
Gain on sale of available-for-sale securities	(8,531)
Changes in assets and liabilities
Increase in inventories	(29,473)	(30,070)
Decrease in prepaid & other	195,030	237,820
Increase in income taxes refundable	(115,257)	(187,060)
Decrease in accounts payable	(264,676)	(220,982)
Decrease in accrued expenses	(271,453)	(419,996)
Decrease in income taxes payable	(22,543)	(207,840)
Increase in other current liabilities	576,603	614,091
Net cash provided by operating activities	490,976	83,782
Cash Flows From Investing Activities
Expenditures for land, building and equipment	(388,124)	(105,178)
Net (purchases) sales & maturities of short-term investments	(21)	(894)
Proceeds from sale of available-for-sale securities	1,000,000
Net purchases of marketable securities	(15,879)	(15,051)
Net cash provided by (used in) investing activities	595,976	(121,123)
Cash Flows From Financing Activities
Proceeds from note payable		500,000
Payment of cash dividends	(877,365)	(877,365)
Net cash used in financing activities	(877,365)	(377,365)
Net Change in Cash and Equivalents	209,587	(414,706)
Cash and Cash Equivalents, Beginning of period	604,671	986,193
Cash and Cash Equivalents, End of period	814,258	571,487
Supplemental Disclosures of Cash Flow Information Cash Paid During the Period for:
Interest		2,722
Income taxes	$ 243,000	$ 394,500