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Leases (Maturities of Lease Liabilities) (Details) - USD ($)
Mar. 31, 2022
Jan. 01, 2019
Leases    
2022 $ 41,200  
2023 56,200  
2024 18,900  
Total lease payments 116,300  
Less imputed interest (12,100)  
Total $ 104,200 $ 241,100