Consolidated Statements of Shareholders' Equity - USD ($)	Common Stock [Member]	Treasury Stock [Member]	Additional paid-in capital [Member]	Accumulated deficit [Member]	Total
Balance at beginning at Jun. 30, 2014	$ 74,121	$ (410,993)	$ 28,169,622	$ (11,480,386)	$ 16,352,364
Balance at beginning (in shares) at Jun. 30, 2014	7,412,096	(77,560)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income				5,571,171	5,571,171
Proceeds from exercise of stock options	$ 4,570	$ (535,267)	1,254,257		$ 723,560
Proceeds from exercise of stock options (in shares)	456,999	(47,422)			579,463
Stock-based compensation			1,107,250		$ 1,107,250
Balance at ending at Jun. 30, 2015	$ 78,691	$ (946,260)	30,531,129	(5,909,215)	23,754,345
Balance at ending (in shares) at Jun. 30, 2015	7,869,095	(124,982)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income				(1,172,146)	(1,172,146)
Proceeds from exercise of stock options	$ 791	$ (153,092)	341,748		$ 189,447
Proceeds from exercise of stock options (in shares)	79,139	(13,867)			82,737
Stock-based compensation			1,629,644		$ 1,629,644
Balance at ending at Jun. 30, 2016	$ 79,482	$ (1,099,352)	32,502,521	(7,081,361)	24,401,290
Balance at ending (in shares) at Jun. 30, 2016	7,948,234	(138,849)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income				(1,681,179)	(1,681,179)
Sale of common stock	$ 7,615		3,992,385		4,000,000
Sale of common stock ( in shares)	761,469
Issuance of restricted stock	$ 4,000		(4,000)
Issuance of restricted stock (in shares)	400,000
Proceeds from exercise of stock options	$ 2,475	$ 1,099,352	(768,235)		$ 333,592
Proceeds from exercise of stock options (in shares)	247,463	138,849			527,663
Stock-based compensation			1,086,139		$ 1,086,139
Balance at ending at Jun. 30, 2017	$ 93,572		$ 36,808,810	$ (8,762,540)	$ 28,139,842
Balance at ending (in shares) at Jun. 30, 2017	9,357,166