Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation, Stock Option Plan Activity (Details)

v3.22.2.2
Stock-based Compensation, Stock Option Plan Activity (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 01, 2022
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Feb. 22, 2021
Nov. 05, 2020
Sep. 30, 2020
Dec. 31, 2019
Ocuphire Stock Options [Abstract]                  
Stock based compensation   $ 493,000 $ 478,000 $ 1,383,000 $ 1,435,000        
2020 Equity Incentive Plan [Member]                  
Ocuphire Stock Options [Abstract]                  
Common stock reserved for issuance (in shares)             1,000,000    
2020 Equity Incentive Plan [Member] | Maximum [Member]                  
Ocuphire Stock Options [Abstract]                  
Common stock reserved for issuance (in shares)             70,325    
2018 Equity Incentive Plan [Member]                  
Ocuphire Stock Options [Abstract]                  
Common stock reserved for issuance (in shares)   0   0         1,175,000
Inducement Plan [Member]                  
Ocuphire Stock Options [Abstract]                  
Common stock reserved for issuance (in shares)           325,258      
2020 Plan Evergreen Provision [Member]                  
Ocuphire Stock Options [Abstract]                  
Percentage of common stock shares outstanding       5.00%          
Number of shares added (in shares) 942,291                
2020 Plan Evergreen Provision [Member] | Minimum [Member]                  
Ocuphire Stock Options [Abstract]                  
Vesting period       10 months 6 months        
2020 Plan Evergreen Provision [Member] | Maximum [Member]                  
Ocuphire Stock Options [Abstract]                  
Period of shares reserved under plan       10 years          
Vesting period       48 months 48 months        
Ocuphire Stock Options [Member] | 2020 Plan Evergreen Provision [Member]                  
Ocuphire Stock Options [Abstract]                  
Granted (in shares)   167,000 128,000 893,305 387,800        
Stock based compensation   $ 394,000 $ 452,000 $ 1,229,000 $ 1,331,000        
Stock option exercised (in shares)     66,056 24,309 73,442        
Aggregate intrinsic value   $ 59,000 $ 345,000 $ 59,000 $ 345,000     $ 271,000  
Weighted average fair value per share of options granted (in dollars per share)   $ 1.65 $ 3.69 $ 2.06 $ 4.47