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Stock-Based Compensation (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Stock-based compensation expenses $ 507,051 $ 519,891
Total remaining unamortized stock-based compensation cost not yet recognized $ 935,882  
Total compensation cost not yet recognized, Period for recognition 2 years 7 months 10 days 2 years 8 months 2 days
Cost of revenues    
Stock-based compensation expenses $ 86,649 $ 94,803
Research and development    
Stock-based compensation expenses 137,537 151,121
Sales and marketing    
Stock-based compensation expenses 121,802 121,633
General and administrative    
Stock-based compensation expenses $ 161,063 $ 152,334