Consolidated Balance Sheets - USD ($)	Jul. 02, 2017	Jul. 03, 2016
CURRENT ASSETS:
Cash and cash equivalents (Note 2)	$ 604,671	$ 986,193
Short-term investments (Note 3)	2,951,315	484,558
Inventories	534,741	561,217
Prepaid expenses and other	555,687	664,379
Current deferred income tax benefit (Note 7)	8,162
TOTAL CURRENT ASSETS	4,654,576	2,696,347
LAND, BUILDINGS & EQUIPMENT, net (Note 4)	18,860,778	19,523,856
OTHER ASSETS:
Marketable investment securities (Note 3)	5,272,318	8,824,456
Cash surrender value-life insurance	772,326	740,161
Other	66,315	66,315
TOTAL OTHER ASSETS	6,110,959	9,630,932
TOTAL ASSETS	29,626,313	31,851,135
CURRENT LIABILITIES:
Accounts payable	673,786	660,711
Accrued expenses	1,069,668	1,193,463
Dividends payable	877,365	877,365
Income taxes payable	22,543	207,840
Other current liabilities	342,324	325,982
Current deferred income taxes (Note 7)		27,850
TOTAL CURRENT LIABILITIES	2,985,686	3,293,211
LONG-TERM DEFERRED COMPENSATION	18,413	23,620
NONCURRENT DEFERRED INCOME TAXES (Note 7)	2,035,821	2,384,962
TOTAL LIABILITIES	5,039,920	5,701,793
COMMITMENTS AND CONTINGENCIES (Note 5)
STOCKHOLDERS' EQUITY (Note 8)
Preferred stock, par value $10 a share: Authorized and unissued, 2,000,000 shares	0	0
Additional paid-in capital	7,854,108	7,854,108
Accumulated other comprehensive earnings- Unrealized gain on available-for-sale securities, net of tax	2,481,988	2,986,587
Retained earnings	13,734,200	14,792,550
TOTAL STOCKHOLDERS'EQUITY	24,586,393	26,149,342
TOTAL LIABILITIES AND STOCKHOLDERS'EQUITY	29,626,313	31,851,135
Common Class A [Member]
STOCKHOLDERS' EQUITY (Note 8)
Common Stock	374,645	374,645
Common Class B [Member]
STOCKHOLDERS' EQUITY (Note 8)
Common Stock	$ 141,452	$ 141,452