Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Narrative (Details)

v3.22.1
Stock-Based Compensation - Narrative (Details)
 1 Months Ended 12 Months Ended
Dec. 14, 2021
Oct. 14, 2021
shares
Oct. 31, 2014
shares
Aug. 31, 2020
shares
Dec. 31, 2021
USD ($)
contract
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares reserved for future grants (in shares)         213,540,505 197,480,453
Exercise of stock options | $         $ 4,783  
Total amount of unrecognized compensation cost | $         $ 1,645,478  
Recognized weighted average period         3 years 1 month 13 days  
Unvested restricted stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares reserved for future grants (in shares)         150,000 0
Stock options | Dr. Avtar Dhillon            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of awards with accelerated vesting (in shares)   1,650,000        
Post-termination exercise period   5 years     30 days  
Additional stock compensation expense | $         $ 309,487  
Unvested restricted stock units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares reserved for future grants (in shares)         4,000,000 0
2014 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares reserved for future grants (in shares)     3,200,000      
Percentage of share reserve of the number of issued and outstanding shares     10.00% 10.00%    
Number of additional shares reserved for future grants (in shares)       7,876,835    
2014 Plan | Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares reserved for future grants (in shares)         14,132,929 12,790,775
Option expiration Period     10 years      
Option fair value percentage     100.00%      
Stock option processing percentage     10.00%      
Stock option price value percentage     110.00%      
Option price, exercisable period     5 years      
Weighted-average fair value of stock options granted (in dollars per share) | $ / shares         $ 0.07 $ 0.04
Fair value of stock options vested | $         $ 316,929 $ 168,168
2014 Plan | Stock options | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vested period     1 year      
2014 Plan | Stock options | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vested period     4 years      
2014 Plan | Unvested restricted stock units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vested period 3 years          
Vested percentage 33.00%          
Activity (in shares)           0
Granted (in shares)         4,000,000  
Outside 2014 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of service contracts | contract         2  
Service contract period         6 months  
Service contract day threshold for issuance         30 days  
Outside 2014 Plan | Unvested restricted stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted (in shares)         1,500,000  
Outside 2014 Plan | Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares reserved for future grants (in shares)         35,405,000 22,050,000
Outside 2014 Plan | Restricted Stock, Service Contract One            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted (in shares)         1,200,000  
Outside 2014 Plan | Restricted Stock, Service Contract Two            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted (in shares)         300,000