Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Summary of Stock Option Activity (Details)

v3.22.1
Share-Based Compensation - Summary of Stock Option Activity (Details)
3 Months Ended
Mar. 31, 2022
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares, Options outstanding Beginning Balance 16,029,810
Number of Shares, Granted 197,436
Number of Shares, Options outstanding Ending Balance 16,227,246
2015 Plan and 2018 Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares, Options outstanding Beginning Balance 14,229,810
Number of Shares, Granted 147,436
Number of Shares, Options outstanding Ending Balance 14,377,246
Two Thousand Twenty One Inducement Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares, Options outstanding Beginning Balance 1,800,000
Number of Shares, Granted 50,000
Number of Shares, Options outstanding Ending Balance 1,850,000
2015 Plan, 2018 Plan and 2021 Inducement Plan  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares, Options outstanding Beginning Balance 16,029,810
Number of Shares, Granted 197,436
Number of Shares, Options outstanding Ending Balance 16,227,246