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Leases (Maturities of Lease Liabilities) (Details) - USD ($)
Mar. 31, 2021
Jan. 01, 2019
Lessee Disclosure [Abstract]    
2021 $ 40,000  
2022 54,600  
2023 56,200  
2024 18,900  
Total lease payments 169,700  
Less imputed interest (20,300)  
Total $ 149,400 $ 241,100