Consolidated Statement of Stockholders' Equity - USD ($)	Class A Common Shares [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Total
Balance, beginning at Jun. 30, 2015	$ 152,351	$ 213,222,950	$ 50,680	$ (205,426,337)	$ 7,999,644
Balance, beginning, shares at Jun. 30, 2015	15,235,073
Issuance of common stock for:
Exercise of warrants	$ 3,130	388,221			391,351
Exercise of warrants, shares	313,081
Employee Stock Purchase Plan	$ 99	22,804			22,903
Employee Stock Purchase Plan, shares	9,906
Exercise of RSU or options	$ 61	6,369			6,430
Exercise of RSU or options, shares	6,077
Cashless exercise of warrants	$ 268	(536)			(268)
Cashless exercise of warrants, shares	26,808
Settlement for Class E shares		(582)			(582)
Reclassification of warrant liability upon exercise		530,531			530,531
Stock based compensation on stock options & RSU		491,860			491,860
Foreign currency translation adjustment			75,428		75,428
Net income				1,414,615	1,414,615
Balance, ending at Jun. 30, 2016	$ 155,909	214,661,617	126,108	(204,011,722)	10,931,912
Balance, ending, shares at Jun. 30, 2016	15,590,945
Issuance of common stock for:
Exercise of warrants	$ 5,789	699,890			705,679
Exercise of warrants, shares	578,897
Employee Stock Purchase Plan	$ 121	19,511			19,632
Employee Stock Purchase Plan, shares	12,106
Exercise of RSU or options	$ 338	(338)
Exercise of RSU or options, shares	33,785
Public equity placement, net of costs	$ 80,000	8,669,496			8,749,496
Public equity placement, net of costs, shares	8,000,000
Reclassification of warrant liability upon exercise		694,436			694,436
Stock based compensation on stock options & RSU		747,640			747,640
Foreign currency translation adjustment			169,288		169,288
Net income				7,703,086	7,703,086
Balance, ending at Jun. 30, 2017	$ 242,157	$ 225,492,252	$ 295,396	$ (196,308,636)	$ 29,721,169
Balance, ending, shares at Jun. 30, 2017	24,215,733