Condensed Consolidated Statements of Changes in Equity - USD ($)	Total	Series B Preferred Stock [Member]	Series C Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Balance at Jun. 30, 2016		$ 23	$ 280	$ 1,185,843	$ 137,585,233	$ (120,550,108)	$ (1,585,583)	$ 1,401,372
Balance (Shares) at Jun. 30, 2016		2,300	28,048	47,752,821
Net loss		$ 0	$ 0	$ 0	0	(4,089,536)	0	(352,327)
Net currency translation adjustment		0	0	0	0	0	1,005	0
Issuance of common stock, net of costs and underwriting fees		$ 0	$ 0	$ 71,500	2,024,340	0	0	0
Issuance of common stock, net of costs and underwriting fees (Shares)		0	0	7,150,000
Stock-based compensation		$ 0	$ 0	$ 1,447	2,144,318	0	0	0
Stock-based compensation (Shares)		0	0	144,728
Exercise of stock options		$ 0	$ 0	$ 1,242	68,718	0	0	0
Exercise of stock options (Shares)	124,252	0	0	124,252
Exercise of warrants		$ 0	$ 0	$ 292	(292)	0	0	0
Exercise of warrants (Shares)		0	0	29,162
Balance at Jun. 30, 2017	$ 16,858,722	$ 23	$ 280	$ 1,260,324	141,822,317	(124,639,644)	(1,584,578)	1,049,045
Balance (Shares) at Jun. 30, 2017		2,300	28,048	55,200,963
Net loss	(6,427,477)	$ 0	$ 0	$ 0	0	(6,427,477)	0	(168,991)
Net currency translation adjustment		0	0	0	0	0	409	0
Issuance of common stock, net of costs and underwriting fees		$ 0	$ 0	$ 3,670	93,004	0	0	0
Issuance of common stock, net of costs and underwriting fees (Shares)		0	0	367,000
Contribution of capital from noncontrolling interest	1,956	$ 0	$ 0	$ 0	0	0	0	1,956
Stock-based compensation		$ 0	$ 0	$ 4,940	557,869	0	0	0
Stock-based compensation (Shares)		0	0	493,998
Balance at Dec. 31, 2017	$ 11,091,137	$ 23	$ 280	$ 1,268,934	$ 142,473,190	$ (131,067,121)	$ (1,584,169)	$ 882,010
Balance (Shares) at Dec. 31, 2017		2,300	28,048	56,061,961