Basis of Presentation and Going Concern - Going Concern (Details) - USD ($)	6 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2018	Jun. 30, 2017
Going Concern
Cash	$ 5,954,017	$ 2,832,429
Net cash used in operating activities	(8,209,286)	(15,646,027)	$ (19,172,110)
Net loss	(7,511,092)	(9,449,295)	$ (14,891,050)
Accumulated deficit	(67,014,637)	(76,463,932)
Working capital	$ 3,500,000	$ 100,000