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 [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
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	$ (4,089,536)	$ 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
Contribution of capital from noncontrolling interest	$ 0
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	(12,970,015)	$ 0	$ 0	$ 0	0	(12,970,015)	0	(354,526)
Net currency translation adjustment		0	0	0	0	0	(3,124)	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	$ 10,412	1,093,674	0	0	0
Stock-based compensation (Shares)		0	0	1,041,152
Balance at Jun. 30, 2018	$ 5,086,343	$ 23	$ 280	$ 1,274,406	$ 143,008,995	$ (137,609,659)	$ (1,587,702)	$ 696,475
Balance (Shares) at Jun. 30, 2018		2,300	28,048	56,609,115