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Shareholders' Equity - Summary of the Stock Plans Set Forth (Details) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares Available For Grant of Beginning Balance 1,800,000  
Shares Available for Grant of Options Granted (511,594)  
Shares Available for Grant of Options Canceled 5,183  
Shares Available for Grant of Ending Balance 1,293,589 1,800,000
Number of Shares Outstanding Options of Beginning Balance 8,081,828  
Number of Shares Outstanding of Option Granted 511,594  
Number of Shares Outstanding of Options Exercised (690,551)  
Number of Shares Outstanding of Options Canceled (5,183)  
Number of Shares Outstanding of Ending Balance 7,897,688 8,081,828
Options vested and expected to vest at March 31, 2021 6,813,429  
Options vested and exercisable at March 31, 2021 4,446,820  
Outstanding Options Weighted-Average Remaining Contractual Term 6 years 11 months 19 days 6 years 10 months 9 days
Options vested and expected to vest at March 31, 2021 6 years 7 months 24 days  
Options vested and exercisable at March 31, 2021 5 years 9 months 14 days  
Weighted-Average Exercise Price Beginning Balance $ 1.82  
Weighted-Average Exercise Price, Options granted 7.03  
Weighted-Average Exercise Price, Options exercised 0.82  
Weighted-Average Exercise Price, Options canceled 1.35  
Weighted-Average Exercise Price, Ending Balance 2.24 $ 1.82
Options vested and expected to vest at March 31, 2021 1.85  
Options vested and exercisable at March 31, 2021 $ 1.02