Note 4 - Land, Buildings, and Equipment - Land, Buildings, and Equipment at Cost (Details) - USD ($)	Jun. 28, 2020	Jun. 30, 2019
Buildings	$ 18,666,152	$ 18,666,152
Leasehold and building improvements	8,085,342	8,241,896
Land	10,510,308	10,510,308
Total Land, Buildings, and Equipment	58,706,964	59,847,934
Less accumulated depreciation and amortization	41,039,447	41,706,408
Land, Buildings, and Equipment, net	17,667,517	18,141,526
Bowling Lanes and Equipment [Member]
Other Property, Plant, and Equipment	21,381,691	22,369,204
Amusement Games [Member]
Other Property, Plant, and Equipment	16,078	16,078
Bowling Lanes and Equipment Not Yet in Use [Member]
Other Property, Plant, and Equipment	$ 47,393	$ 44,296