Warrant Liability (Details) - USD ($)	3 Months Ended	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Oct. 11, 2016
Class of Warrant or Right [Line Items]
Warrant liability	$ 14,543,343	$ 14,543,343
Changes in fair value of warrant liability	7,230,340	7,230,340
Warrant Liability
Class of Warrant or Right [Line Items]
Warrant liability	$ 14,500,000	$ 14,500,000	$ 7,300,000