Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended	6 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Significant Accounting Policies [Line Items]
Highly liquid investments, original maturity period		3 months
Deferred Tax Assets, Operating Loss Carryforwards, Domestic				$ 288,700,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local				$ 108,500,000
Income tax benefit	$ 3,204,250		$ 3,185,000
Liability for uncertain tax positions		$ 0
Common stock equivalents excluded from the diluted per share calculation		30,900,783	27,902,219
New Jersey Division of Taxation [Member]
Significant Accounting Policies [Line Items]
Income tax benefit	3,200,000		$ 3,200,000
Net operating loss	35,900,000		35,900,000
NOLs and/or R&D tax credits sold		$ 0
New Jersey Division of Taxation [Member] | Research Tax Credit Carryforward [Member]
Significant Accounting Policies [Line Items]
Research and development credits	$ 1,300,000		$ 1,300,000
Minimum [Member]
Significant Accounting Policies [Line Items]
Operating Loss Carry Forward Expiration Year		2017
Maximum [Member]
Significant Accounting Policies [Line Items]
Operating Loss Carry Forward Expiration Year		2036