CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Class A Non Voting Preferred [Member]	Common Stock [Member]	Class C Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Beginning balance, value at Jun. 30, 2020	$ 31	$ 647	$ 38	$ 183,076,888	$ (56,215,251)	$ (675,390)	$ 55,253	$ 126,242,216
Beginning Balance, Shares at Jun. 30, 2020		6,447,463
Net income					10,207,588		3,466,223	13,673,811
Stock issued to employees under stock bonus plans		$ 10		2,024,088				2,024,098
Stock issued to employees under stock bonus plans, Shares		106,747
Payments on notes receivable from employee stockholders
Distributions to noncontrolling interests							(6,570,000)	(6,570,000)
Ending balance, value at Jun. 30, 2021	31	$ 657	38	185,100,976	(46,007,663)	(675,390)	(3,048,524)	135,370,125
Ending Balance, Shares at Jun. 30, 2021		6,554,210
Net income					12,440,906		4,793,482	17,234,388
Stock issued to employees under stock bonus plans
Distributions to noncontrolling interests							(5,822,232)	(5,822,232)
Buyout of noncontrolling interests				(569,441)			23,441	(546,000)
Ending balance, value at Jun. 30, 2022	$ 31	$ 657	$ 38	$ 184,531,535	$ (33,566,757)	$ (675,390)	$ (4,053,833)	$ 146,236,281
Ending Balance, Shares at Jun. 30, 2022		6,554,210