Shareholders Equity and Comprehensive Income - USD ($)	Common Shares	Class A Non Voting Preferred Stock	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, 2016	$ 607	$ 31	$ 38	$ 173,702,335	$ (120,624,010)	$ (23,879)	$ (675,390)	$ 8,396,575	$ 60,776,307
Balance - Beginning, 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					$ 21,230,802			$ 4,221,383	$ 25,452,185
Stock issued to employees under stock bonus plans, Value
Stock issued to employees under stock bonus plans, Shares
Payments on notes receivable from employee stockholders						$ 7,333			$ 7,333
Issuance of stock for acquistion, Value
Issuance of stock for acquistion, Shares
Stock option exercised, Value
Stock option exercised, Shares
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
Net Income					$ 15,317,131			$ 5,196,543	$ 20,513,674
Stock issued to employees under stock bonus plans, Value	$ 8			$ 1,954,737					$ 1,954,745
Stock issued to employees under stock bonus plans, Shares	69,971
Payments on notes receivable from employee stockholders						$ 9,213			$ 9,213
Issuance of stock for acquistion, Value
Issuance of stock for acquistion, Shares
Stock option exercised, Value
Stock option exercised, Shares
Distributions to noncontrolling interests								$ (6,600,000)	$ (6,600,000)
Balance - Ending, Value at Jun. 30, 2019	$ 638	$ 31	$ 38	$ 181,086,517	$ (64,455,456)		$ (675,390)	$ 2,155,725	$ 118,112,103
Balance - Ending, Shares at Jun. 30, 2019	6,357,482