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Schedule of Stock Option Activity (Details)
$ / shares in Units, shares in Thousands
 6 Months Ended
Jun. 30, 2021
USD ($)
$ / shares
shares
Jun. 30, 2020
shares
Share-based Payment Arrangement [Abstract]    
Number of stock options, Beginning Balance | shares 105,086  
Weighted avg exercise price per share, Beginning Balance $ 6.25  
Weighted avg grant date fair value per share, Beginning Balance $ 6.06  
Weighted avg remaining contractual life (in years), Beginning Balance 5 years 4 months 17 days  
Aggregate intrinsic value, Beginning Balance | $ $ 814,090  
Number of stock options, Granted | shares 17,000 5,000
Weighted avg exercise price per share, Granted $ 14.77  
Weighted avg grant date fair value per share, Granted $ 10.90  
Weighted avg remaining contractual life (in years), Granted 10 years  
Number of stock options, Exercised | shares (17,763)  
Weighted avg exercise price per share, Exercised $ 2.30  
Weighted avg grant date fair value per share, Exercised $ 2.92  
Weighted avg remaining contractual life (in years), Exercised 1 year 8 months 26 days  
Number of stock options, Expired/Forfeited | shares (1,988)  
Weighted avg exercise price per share, Expired/Forfeited $ 7.17  
Weighted avg grant date fair value per share, Expired/Forfeited $ 6.82  
Weighted avg remaining contractual life (in years), Expired/Forfeited 7 years 3 months 10 days  
Number of stock options, Ending Balance | shares 102,335  
Weighted avg exercise price per share, Ending Balance $ 8.31  
Weighted avg grant date fair value per share, Ending Balance $ 7.49  
Weighted avg remaining contractual life (in years), Ending Balance 6 years 3 months 29 days  
Aggregate intrinsic value, Ending Balance | $ $ 732,909  
Number of stock options, Exercisable | shares 68,657  
Weighted avg exercise price per share, Exercisable $ 6.93  
Weighted avg grant date fair value per share, Exercisable Ending $ 6.80  
Weighted avg remaining contractual life (in years), Exercisable Ending 5 years 14 days  
Aggregate intrinsic value, Exercisable Ending | $ $ 586,568  
Number of stock options, Unvested | shares 33,678  
Weighted avg exercise price per share, Unvested $ 11.12  
Weighted avg grant date fair value per share, Unvested Ending $ 8.89  
Weighted avg remaining contractual life (in years), Unvested Ending 8 years 11 months 12 days  
Aggregate intrinsic value, Unvested Ending | $ $ 146,341