Annual report pursuant to Section 13 and 15(d)

Revenue Recognition from Contracts with Customers (Details Textual)

v3.19.2
Revenue Recognition from Contracts with Customers (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Revenue Recognition from Contracts with Customers (Textual)    
Revenue expected to be recognized $ 500  
Total Product Sales 1,334 $ 1,061
Grant Revenue [Member]    
Revenue Recognition from Contracts with Customers (Textual)    
Total Product Sales $ 109