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2. Revenue (Tables)
 3 Months Ended
Sep. 30, 2020
Revenue from Contract with Customer [Abstract]  
Net revenue by product lines
    Three Months Ended September 30,  
    2020     2019  
    (In thousands)  
IoT   $ 14,620     $ 10,221  
REM     2,402       2,301  
Other     124       219  
    $ 17,146     $ 12,741  
Net revenue by geographic region
    Three Months Ended September 30,  
    2020     2019  
    (In thousands)  
Americas   $ 10,929     $ 5,764  
EMEA     2,639       4,521  
Asia Pacific Japan     3,578       2,456  
    $ 17,146     $ 12,741  
Schedule of percentage total net revenue

The following table presents product revenues and service revenues as a percentage of our total net revenue:

 

    Three Months Ended September 30,  
    2020     2019  
                 
Product revenues     94%       99%  
Service revenues     6%       1%  
Deferred revenue rollforward

The following table presents the changes in our deferred revenue balance for the three months ended September 30, 2020 (in thousands):

 

Balance, June 30, 2020   $ 1,460  
New performance obligations     134  
Recognition of revenue as a result of satisfying performance obligations     (704 )
Balance, September 30, 2020   $ 890  
Less: non-current portion of deferred revenue     (166 )
Current portion, September 30, 2020   $ 724