Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2019 |
Mar. 31, 2018 |
Jun. 30, 2018 |
|
Summary Of Significant Accounting Policies [Line Items] | ||||
Revenues From Grants | $ 0 | $ 37,000 | $ 44,000 | |
Work in process | 0 | 0 | $ 0 | |
Contract with Customer, Asset, Net, Current | $ 0 | $ 0 | $ 0 | |
Intellectual Property [Member] | Minimum [Member] | ||||
Summary Of Significant Accounting Policies [Line Items] | ||||
Finite-Lived Intangible Assets, Remaining Amortization Period | 16 years | |||
Intellectual Property [Member] | Maximum [Member] | ||||
Summary Of Significant Accounting Policies [Line Items] | ||||
Finite-Lived Intangible Assets, Remaining Amortization Period | 23 years |