CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Total
Balance at Jun. 30, 2020	$ 54,342,864	$ 25,880,165	$ 0	$ (38,787,452)	$ 41,435,577
Balance (in shares) at Jun. 30, 2020					28,949,410
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	0	352,583	0	0	$ 352,583
Issuance of restricted stock	$ 0	0	0	0	0
Issuance of restricted stock (in shares)	178,750
Retirement of restricted stock	$ 0	0	0	0	0
Retirement of restricted stock (in shares)	(162,500)
Stock option exercises	$ 1,714,245	(624,155)	0	0	$ 1,090,090
Stock option exercises (in shares)	947,435
Repurchases of common stock (in shares)					0
Net income	$ 0	0	0	12,810,766	$ 12,810,766
Balance at Jun. 30, 2021	56,057,109	25,608,593	0	(25,976,686)	$ 55,689,016
Balance (in shares) at Jun. 30, 2021					29,913,095
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	0	774,341	0	0	$ 774,341
Issuance of restricted stock	$ 0	0	0	0	0
Issuance of restricted stock (in shares)	242,725
Stock option exercises	$ 1,185,102	(426,443)	0	0	758,659
Stock option exercises (in shares)	622,226
Repurchases of common stock	$ 0	0	$ (38,164)	0	$ (38,164)
Repurchases of common stock (in shares)			(30,287)		(30,287)
Net income	0	0	$ 0	2,373,915	$ 2,373,915
Balance at Jun. 30, 2022	$ 57,242,211	$ 25,956,491	$ (38,164)	$ (23,602,771)	$ 59,557,767
Balance (in shares) at Jun. 30, 2022					30,747,759