Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition from Contracts with Customers (Details Textual)

v3.19.3.a.u2
Revenue Recognition from Contracts with Customers (Details Textual) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Revenue Recognition from Contracts with Customers (Textual)    
Revenue expected to be recognized $ 500  
Opening contract liability balance revenue recognized 5 $ 28
Opening contract asset balance $ 117  
MEMS [Member]    
Revenue Recognition from Contracts with Customers (Textual)    
Opening contract liability balance revenue recognized   $ 25