Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Apr. 01, 2012	Jul. 03, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 4,435,737	$ 2,361,846
Short-term investments	4,663,726	6,297,822
Inventories	498,446	480,318
Prepaid expenses and other	615,306	701,711
Income taxes refundable		275,847
TOTAL CURRENT ASSETS	10,213,215	10,117,544
LAND, BUILDINGS & EQUIPMENT Net of accumulated depreciation of $37,867,579 and $37,570,380	22,873,127	22,581,314
OTHER ASSETS:
Marketable securities	7,724,154	7,538,332
Cash surrender value-life insurance	594,792	594,792
Other	84,780	85,780
TOTAL OTHER ASSETS	8,403,726	8,218,904
TOTAL ASSETS	41,490,068	40,917,762
CURRENT LIABILITIES:
Accounts payable	627,670	666,784
Accrued expenses	902,705	1,224,237
Dividends payable	824,235	824,235
Income taxes payable	101,512
Other current liabilities	2,335,130	302,394
Current deferred income taxes	53,311	53,311
TOTAL CURRENT LIABILITIES	4,844,563	3,070,961
LONG-TERM DEFERRED COMPENSATION	43,701	43,701
NONCURRENT DEFERRED INCOME TAXES	2,454,525	2,501,709
TOTAL LIABILITIES	7,342,789	5,616,371
Common stock, par value $.10 a share: Authorized, 10,000,000 shares
Additional paid-in capital	7,727,264	7,727,264
Accumulated other comprehensive earnings-
Unrealized gain on available-for-sale securities, net of tax	2,206,297	2,282,954
Retained earnings	23,698,571	24,776,026
TOTAL STOCKHOLDERS' EQUITY	34,147,279	35,301,391
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	41,490,068	40,917,762
Common Class A [Member]
Common stock, par value $.10 a share: Authorized, 10,000,000 shares
Common Stock Value Issued	368,301	368,301
Common Class B [Member]
Common stock, par value $.10 a share: Authorized, 10,000,000 shares
Common Stock Value Issued	$ 146,846	$ 146,846