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, 2019	$ 31	$ 638	$ 38	$ 181,086,517	$ (64,455,456)	$ (675,390)	$ 2,155,725	$ 118,112,103
Beginning Balance, Shares at Jun. 30, 2019		6,357,482
Net income					8,240,205		3,464,528	11,704,733
Stock issued to employees under stock bonus plans		$ 9		1,990,371				1,990,380
Stock issued to employees under stock bonus plans, Shares		89,981
Payments on notes receivable from employee stockholders
Distributions to noncontrolling interests							(5,565,000)	(5,565,000)
Ending balance, value at Jun. 30, 2020	31	$ 647	38	183,076,888	(56,215,251)	(675,390)	55,253	126,242,216
Ending 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
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