Geographic Segments (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Total assets	$ 664,173,249				$ 162,573,392				$ 664,173,249	$ 162,573,392
Property, plant and equipment, net	15,733,429				5,245,230				15,733,429	5,245,230
Revenues	387,000	$ 482,000	$ 597,000	$ 690,000	642,000	$ 1,323,000	$ 384,000	$ 742,000	2,155,996	3,091,250	$ 3,233,247
Loss before income tax									(273,731,162)	(153,245,419)	(64,189,549)
United States
Segment Reporting Information [Line Items]
Total assets	662,519,000				161,484,000				662,519,000	161,484,000
Property, plant and equipment, net	15,649,000				5,166,000				15,649,000	5,166,000
Revenues									655,000	648,000	972,000
Loss before income tax									(274,260,000)	(153,348,000)	(63,688,000)
Europe
Segment Reporting Information [Line Items]
Total assets	1,654,000				1,089,000				1,654,000	1,089,000
Property, plant and equipment, net	$ 84,000				$ 79,000				84,000	79,000
Revenues									1,501,000	2,443,000	2,261,000
Loss before income tax									$ 529,000	$ 103,000	$ (502,000)