XML 39 R30.htm IDEA: XBRL DOCUMENT v3.20.2
11. Leases (Tables)
12 Months Ended
Jun. 30, 2020
Leases [Abstract]  
Future minimum rental payments
Year ended June 30,    Amount   
       
2021   $ 265,800  
2022     210,600  
2023     198,900  
2024     195,900  
2025     91,600  
         
    $ 962,800