NOTE 18 - QUARTERLY FINANCIAL DATA (UNAUDITED) - Unaudited Quarterly Financial Tables- (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Total Revenues - Net									$ 87,192,887	$ 81,515,994	$ 78,036,586
Total Costs and Expenses									65,058,695	61,831,783	58,940,506
Net Income									20,513,674	25,452,185	$ 23,678,798
Quarterly Financial Data [Member]
Total Revenues - Net	$ 22,484,000	$ 22,779,000	$ 21,225,000	$ 20,705,000	$ 21,035,000	$ 20,979,000	$ 20,168,000	$ 19,334,000	87,193,000	81,516,000
Total Costs and Expenses	18,480,000	16,171,000	15,245,000	15,163,000	16,348,000	16,577,000	14,358,000	14,549,000	65,059,000	61,832,000
Net Income	$ 2,665,000	$ 5,201,000	$ 4,864,000	$ 4,492,000	$ 11,349,000	$ 4,262,000	$ 5,240,000	$ 4,601,000	$ 17,222,000	$ 25,452,000
Basic Net Income Per Common Share Available to Common Stockholders	$ 0.20	$ 0.57	$ 0.52	$ 0.49	$ 1.47	$ 0.52	$ 0.62	$ 0.55	$ 1.78	$ 3.16
Diluted Net Income Per Common Share Available to Common Stockholders	$ 0.19	$ 0.56	$ 0.51	$ 0.48	$ 1.44	$ 0.51	$ 0.61	$ 0.54	$ 1.74	$ 3.10