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Leases (Schedule of Supplemental Cash Flow Information) (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Cash used in operating activities    
Operating leases $ 1,205,551 $ 869,968
Finance leases 57,247 75,018
Cash used in financing activities    
Finance leases 579,029 535,931
ROU assets obtained in exchange for lease obligations    
Operating leases 1,008,039
Finance leases $ 592,013