License and Collaboration Agreements (Details) - USD ($) $ / shares in Units, shares in Millions		1 Months Ended					12 Months Ended
	Dec. 27, 2011	Jan. 31, 2016	Jun. 30, 2015	Jan. 31, 2015	Jan. 31, 2013	Jan. 31, 2012	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	May 31, 2014
Guarantor Obligations [Line Items]
License fee and other revenues							$ 386,941	$ 1,250,000	$ 4,623,333
License Costs									1,189,170
Shares to be purchased under warrant, par value			$ 0.01				$ 0.01	$ 0.01		$ 3.35
The Bayer Group (formerly Algeta ASA) [Member]
Guarantor Obligations [Line Items]
Upfront cash payment and other payments received under collaboration agreement					$ 6,000,000
License fee and other revenues		$ 300,000	$ 1,000,000	$ 300,000					4,600,000
License Costs									$ 1,200,000
UCB Agreement [Member]
Guarantor Obligations [Line Items]
Duration of warrant issued	5 years
Number of shares under five year warrant	1
Shares to be purchased under warrant, par value	$ 0.01
Shares to be purchased under warrant, exercise price	$ 8.00
Non-refundable cash payment received						$ 30,000,000