Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Share-based Compensation, Stock Option Plan Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Nov. 05, 2020
Ocuphire Stock Options [Abstract]        
Share based compensation $ 1,506 $ 308    
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]        
Vesting period 48 months      
Common stock reserved for issuance (in shares)   1,175,000    
Weighted Average Exercise Price [Abstract]        
Weighted average fair value per share of options granted (in dollars per share) $ 2.77 $ 0.66    
Ocuphire Stock Options [Member] | 2018 Equity Incentive Plan [Member]        
Ocuphire Stock Options [Abstract]        
Share based compensation $ 1,400 $ 300    
Number of Options [Roll Forward]        
Outstanding, beginning balance (in shares) 1,037,705 458,219    
Granted (in shares) 830,167 579,486    
Exercised (in shares) (40,672) 0    
Forfeited/Cancelled (in shares) (43,002) 0    
Outstanding, ending balance (in shares) 1,784,198 1,037,705 458,219  
Vested and expected to vest (in shares) 895,066      
Weighted Average Exercise Price [Abstract]        
Outstanding, beginning balance (in dollars per share) $ 1.06 $ 0.90    
Granted (in dollars per share) 3.50 1.19    
Exercised (in dollars per share) 0 0    
Forfeited/Cancelled (in dollars per share) 0 0    
Outstanding, ending balance (in dollars per share) 2.17 $ 1.06 $ 0.90  
Vested and expected to vest (in dollars per share) $ 1.23      
Weighted Average Remaining Contractual Term (years) 8 years 10 months 13 days 9 years 2 months 12 days 9 years 3 months 11 days  
Vested and expected to vest 8 years 1 month 20 days      
Aggregate Intrinsic Value [1] $ 7,744 $ 1,374 $ 26  
Aggregate Intrinsic Value, Vested and expected to vest [1] $ 4,712      
Aggregate intrinsic value (in dollars per share) $ 6.49 $ 2.39    
Weighted average fair value per share of options granted (in dollars per share) $ 3.92 $ 0.87    
[1] The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying options and the fair value of our common stock as of December 31, 2020 and 2019 of $6.49 and $2.39 per share (as adjusted for the Exchange Ratio), respectively.