Annual report pursuant to Section 13 and 15(d)

Revenue Recognition from Contracts with Customers (Details)

v3.20.2
Revenue Recognition from Contracts with Customers (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Revenue Recognition from Contracts with Customers (Details) [Line Items]    
Opening contract liability $ 5 $ 28
Revenue expected to be recognized 700  
MEMS [Member]    
Revenue Recognition from Contracts with Customers (Details) [Line Items]    
Opening contract liability $ 140  
Product sales   $ 25