Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Additional Information (Details)

v3.21.1
Stock-Based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended
Dec. 31, 2019
Dec. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Nov. 11, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock-based compensation     $ 2,304,000 $ 2,633,000  
Stock-based compensation expense, liability-classified awards     111,000    
Aggregate intrinsic value of vested options     0    
Aggregate intrinsic value of unvested options     $ 196,000    
Stock Options          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock options exercisable period     10 years    
Stock options vest period     4 years    
Weighted average grant-date fair value of the options awarded to employees     $ 0.79 $ 1.58  
Stock Options Granted Outside Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of options, Granted     355,503    
Time-based RSUs Granted Outside Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of restricted stock units granted     191,208    
Stock Options And Time-based RSUs          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Unrecognized compensation expense related to unvested options and time-based RSUs, expected to vest     $ 5,931,000    
Time Based Restricted Stock          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Unrecognized compensation expense related to unvested options, weighted average period     2 years    
2019 Equity Incentive Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Shares available for grant     4,989,706   3,000,000
Percentage of outstanding common stock 5.00%        
Increase in share per "Evergreen" provision   1,522,171      
Shares available for future grants     748,715    
Recro Equity Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock-based compensation expense, liability-classified awards     $ 128,000    
Recro Equity Plan | Performance-based RSUs          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Unrecognized compensation expense related to unvested options and time-based RSUs, expected to vest     $ 1,783,000