Shareholders Equity and Comprehensive Income - USD ($)	Common Shares	Class A Non-Voting Preferred	Class C Common Stock	Paid-in Capital in Excess of Par Value	Accumulated Deficit	Notes Receivable from Employee Stockholders	Treasury Stock	Noncontrolling Interests	Total
Balance - Beginning, Value at Jun. 30, 2015	$ 607	$ 31	$ 38	$ 175,447,586	$ (136,348,635)	$ (31,495)	$ (675,390)	$ 12,390,771	$ 50,783,513
Balance - Beginning, Shares at Jun. 30, 2015	6,050,840
Net Income					15,724,625			3,070,892	18,795,517
Stock issued to employees under stock bonus plans, Value				2,006					2,006
Stock issued to employees under stock bonus plans, Shares	146
Payments on notes receivable from employee stockholders						7,616			7,616
Stock option exercised, Value				1,755					1,755
Stock option exercised, Shares	180
Redemption of noncontrolling interests				(1,749,012)				(1,155,988)	(2,905,000)
Distributions to noncontrolling interests								(5,909,100)	(5,909,100)
Balance - Ending, Value at Jun. 30, 2016	$ 607	31	38	173,702,335	(120,624,010)	(23,879)	(675,390)	8,396,575	60,776,307
Balance - Ending, Shares at Jun. 30, 2016	6,051,166
Net Income					19,620,621			4,058,177	23,678,798
Stock issued to employees under stock bonus plans, Value	$ 19			4,636,559					4,636,578
Stock issued to employees under stock bonus plans, Shares	193,221
Payments on notes receivable from employee stockholders						7,333			7,333
Issuance of stock for acquistion, Value	$ 4			791,206					791,210
Issuance of stock for acquistion, Shares	42,884
Stock option exercised, Value				1,680					1,680
Stock option exercised, Shares	240
Distributions to noncontrolling interests								(6,981,953)	(6,981,953)
Balance - Ending, Value at Jun. 30, 2017	$ 630	31	38	179,131,780	(101,003,389)	(16,546)	(675,390)	5,472,799	82,909,953
Balance - Ending, Shares at Jun. 30, 2017	6,287,511
Net Income					21,230,502			4,221,383	25,452,185
Payments on notes receivable from employee stockholders						7,333			7,333
Distributions to noncontrolling interests								(6,135,000)	(6,135,000)
Balance - Ending, Value at Jun. 30, 2018	$ 630	$ 31	$ 38	$ 179,131,780	$ (79,772,587)	$ (9,213)	$ (675,390)	$ 3,559,182	$ 102,234,471
Balance - Ending, Shares at Jun. 30, 2018	6,287,511