XML 40 R30.htm IDEA: XBRL DOCUMENT v3.21.2
Leases (Maturities of Lease Liabilities) (Details) - USD ($)
Jun. 30, 2021
Jan. 01, 2019
Leases    
2021 $ 26,800  
2022 54,600  
2023 56,200  
2024 18,900  
Total lease payments 156,500  
Less imputed interest (18,100)  
Total $ 138,400 $ 241,100