Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Share-based Compensation, Stock Option Plan Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Jan. 01, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Feb. 22, 2021
Nov. 05, 2020
Ocuphire Stock Options [Abstract]              
Share based compensation   $ 478 $ 616 $ 1,435 $ 993    
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)   1,241,387   1,241,387      
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) 544,125            
Granted (in shares)   128,000 22,397 387,800 233,989    
2020 Plan Evergreen Provision [Member] | Minimum [Member]              
Ocuphire Stock Options [Abstract]              
Vesting period       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 28 months    
Ocuphire Stock Options [Member] | 2020 Plan Evergreen Provision [Member]              
Ocuphire Stock Options [Abstract]              
Share based compensation   $ 452 $ 616 $ 1,331 $ 993    
Stock option exercised (in shares)   66,056 0 73,442 0    
Aggregate intrinsic value   $ 345 $ 271 $ 345 $ 271    
Weighted average fair value per share of options vesting (in dollars per share)   $ 3.69 $ 6.27 $ 4.47 $ 6.01