Geographic Segments (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting Information [Line Items]
Total assets	$ 56,950,268				$ 105,779,606				$ 56,950,268	$ 105,779,606	$ 47,486,000
Property and equipment, net	3,969,163				2,241,838				3,969,163	2,241,838	1,895,000
Revenues	932,000	$ 899,000	$ 671,000	$ 731,000	2,395,000	$ 1,183,000	$ 1,003,000	$ 1,072,000	3,233,247	5,653,091	9,041,605
Loss before taxes									(64,189,549)	(48,065,742)	(35,523,387)
United States [Member]
Segment Reporting Information [Line Items]
Total assets	55,451,000				104,168,000				55,451,000	104,168,000	44,926,000
Property and equipment, net	3,895,000				2,234,000				3,895,000	2,234,000	1,895,000
Revenues									972,000	3,054,000	5,947,000
Loss before taxes									(63,688,000)	(48,192,000)	(35,452,000)
Europe [Member]
Segment Reporting Information [Line Items]
Total assets	1,499,000				1,612,000				1,499,000	1,612,000	2,560,000
Property and equipment, net	$ 74,000				$ 8,000				74,000	8,000
Revenues									2,261,000	2,599,000	3,095,000
Loss before taxes									$ (502,000)	$ 126,000	$ (71,000)