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Income Taxes (Schedule of the Components of Income Tax Benefit (Expense) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Current:      
Federal $ 21,802 $ 65,408 $ 0
State and other (55,902) 79,316 (16,636)
Total current income tax (expense) benefit (34,100) 144,724 (16,636)
Deferred:      
Federal (21,802) (65,408) 0
State 0 0 0
Deferred income tax (expense) benefit (21,802) (65,408) 0
Total income tax (expense) benefit $ (55,902) $ 79,316 $ (16,636)