Accounts Payable and Accrued Expenses (Details) - USD ($)	Jun. 30, 2017	Jun. 30, 2016
Accounts Payable and Accrued Expenses [Abstract]
Trade accounts payable	$ 5,222,000	$ 4,128,000
Contract manufacture organization expenses	3,769,000	1,222,000
Clinical trial accruals	2,865,000	6,087,000
Proxy defense-related expenses	6,967,000
Reimbursement for proxy expenses	4,505,000
Executive severance liabilities	5,542,000
Executive bonus		1,148,000
Accrued interest expense	1,768,000	1,768,000
Miscellaneous other current liabilities	729,000	835,000
Accounts payable and accrued expenses	$ 31,366,976	$ 15,188,189