Consolidated Condensed Statement of Changes in Stockholder's Equity (Unaudited) - 9 months ended Mar. 31, 2016 - USD ($)	Total	Preferred	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock
Beginning Balance at Jun. 30, 2015	$ 48,576,577	$ 317	$ 32,845	$ 36,847,289	$ 11,696,126	$ 0
Balance (in shares), beginning at Jun. 30, 2015	32,845,205	317,319	32,845,205
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted common stock (shares)			272,098
Issuance of restricted common stock	$ 33		$ 272	(239)
Exercise of stock options (in shares)			20,000
Exercise of stock options	51,000		$ 20	50,980
Forfeitures of restricted stock (shares)			(40,758)
Forfeitures of restricted stock			$ (41)	41
Acquisition of treasury stock (in shares)			(204,620)
Acquisition of treasury stock	(1,185,597)					(1,185,597)
Retirements of treasury stock			$ (205)	(1,185,392)		1,185,597
Stock-based compensation	768,085			768,085
Tax benefits related to stock-based compensation	3,727,913			3,727,913
Net income attributable to the Company	3,785,892				3,785,892
Common stock cash dividends	(4,932,247)				(4,932,247)
Preferred stock cash dividends	$ (505,726)				(505,726)
Balance (in shares), ending at Mar. 31, 2016	32,891,925	317,319	32,891,925
Ending Balance at Mar. 31, 2016	$ 50,285,930	$ 317	$ 32,891	$ 40,208,677	$ 10,044,045	$ 0