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Collaboration Agreement (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 30, 2018
Jan. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Guarantor Obligations [Line Items]            
Upfront cash payment and other payments received under collaboration agreement         $ 6,000,000  
License fee and other revenues   $ 300,000 $ 14,886 $ 257,442 $ 79,956 $ 282,556
Scenario Plan            
Guarantor Obligations [Line Items]            
License fee and other revenues $ 300,000          
The Bayer Group (formerly Algeta ASA) [Member]            
Guarantor Obligations [Line Items]            
Period of time for prior written notice to exercise right to terminate agreement         3 months