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Income Taxes (Schedule of tax credit carryforwards) (Details) - Federal And State
Dec. 31, 2021
USD ($)
Tax Credit Carryforward [Line Items]  
Tax credit carryforward, amount $ 1,681,105
2022  
Tax Credit Carryforward [Line Items]  
Tax credit carryforward, amount 161,119
2023 - 2029  
Tax Credit Carryforward [Line Items]  
Tax credit carryforward, amount 461,157
2030-2039  
Tax Credit Carryforward [Line Items]  
Tax credit carryforward, amount 648,120
2040  
Tax Credit Carryforward [Line Items]  
Tax credit carryforward, amount $ 410,709