Consolidated Statement of Changes in Shareholders' Equity - USD ($)	Total	Preferred Stock [Member] Series B Preferred Stock [Member]	Preferred Stock [Member] Series D Preferred Stock [Member]	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Balance at Jun. 30, 2013	$ 5,366,246	$ 59	$ 0	$ 34,618	$ (8,390)	$ 57,431,293	$ (52,091,334)
Balance (shares) at Jun. 30, 2013		59,065	0	34,618,517	13,200
Issuance of preferred stock pursuant to underwritten pubic offering, net	1,478,703		$ 2			1,478,701
Issuance of preferred stock pursuant to underwritten pubic offering, net, shares			1,670
Issuance of common stock pursuant to underwritten pubic offering, net	1,800,589			$ 3,801		1,796,788
Issuance of common stock pursuant to underwritten pubic offering, net, shares				3,800,985
Conversion of Series D preferred stock to common stock	0		$ (2)	$ 3,121		(3,119)
Conversion of Series D preferred stock to common stock, shares			(1,670)	3,121,480
Issuance of common stock pursuant to exercise of warrants, net	7,012,941			$ 7,166		7,005,775
Issuance of common stock pursuant to exercise of warrants, net, shares				7,165,443
Issuance of common stock pursuant to exercise of options	$ 266,314			$ 351		265,963
Issuance of common stock pursuant to exercise of options, shares	350,983			350,983
Issuance of common stock pursuant to registered pubic offering, net	$ 13,814,742			$ 5,645		13,809,097
Issuance of common stock pursuant to registered pubic offering, net, shares				5,644,300
Retirement of treasury stock					$ 0
Payment of dividend to Preferred shareholders	(10,632)					(10,632)
Share-based compensation	185,987					185,987
Net loss	(5,959,122)	$ 0	$ 0	$ 0	0	0	(5,959,122)
Balance at Jun. 30, 2014	23,955,768	$ 59	$ 0	$ 54,702	$ (8,390)	81,959,853	(58,050,456)
Balance (shares) at Jun. 30, 2014		59,065	0	54,701,708	13,200
Issuance of common stock pursuant to exercise of warrants, net	99,644			$ 59		99,585
Issuance of common stock pursuant to exercise of warrants, net, shares				58,947
Issuance of common stock pursuant to exercise of options	$ 213,248			$ 207		213,041
Issuance of common stock pursuant to exercise of options, shares	206,904			206,904
Retirement of treasury stock					$ 0
Payment of dividend to Preferred shareholders	$ (10,632)					(10,632)
Share-based compensation	205,264					205,264
Net loss	(3,681,051)	$ 0	$ 0	$ 0	0	0	(3,681,051)
Balance at Jun. 30, 2015	20,782,241	$ 59	$ 0	$ 54,968	$ (8,390)	82,467,111	(61,731,507)
Balance (shares) at Jun. 30, 2015		59,065	0	54,967,559	13,200
Issuance of common stock pursuant to exercise of options	$ 49,940			$ 42		49,898
Issuance of common stock pursuant to exercise of options, shares	56,260			56,260
Retirement of treasury stock	$ 0				$ 8,390	(8,390)
Retirement of treasury stock, shares				(13,200)	(13,200)
Payment of dividend to Preferred shareholders	(10,632)					(10,632)
Share-based compensation	290,312					290,312
Net loss	(4,710,808)	$ 0	$ 0	$ 0	$ 0	0	(4,710,808)
Balance at Jun. 30, 2016	$ 16,401,053	$ 59	$ 0	$ 55,010	$ 0	$ 82,788,299	$ (66,442,315)
Balance (shares) at Jun. 30, 2016		59,065	0	55,010,619	0