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Stock Compensation (Schedule of Key Assumptions of Fair Value of Stock Options Granted) (Details)
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield 0.00% 0.00%
Risk free interest rates, minimum 3.24% 1.77%
Risk free interest rates, maximum 3.25% 2.48%
Expected volatility, minimum 79.30% 41.70%
Expected volatility, maximum 83.00% 49.20%
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (in years) 5 years 3 years 6 months
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (in years) 5 years 6 months 4 years