XML 66 R56.htm IDEA: XBRL DOCUMENT v3.23.2
Stock-Based Compensation and Stockholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares entitled per RSU (in shares)     1    
Nonvested award, option, cost not yet recognized, amount $ 1.3   $ 1.3    
Stock options granted during period (in shares)     156,592 134,719  
Warrants outstanding (in shares) 9,416,830   9,416,830   9,427,343
Number of shares of common stock to be issued for upon exercise of warrants (in shares) 5,231,572   5,231,572   5,237,413
Warrant, exercise price (in dollars per share) $ 24.39   $ 24.39    
Number of warrants exercised during period (in shares) 10,513 0 10,513 0  
Proceeds from exercises of stock options and stock warrants $ 0.1   $ 0.1    
Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted average exercise price of options exercised during period (in dollars per share)     $ 3.68 $ 3.68  
Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted average exercise price of options exercised during period (in dollars per share)     $ 13.82 $ 13.82  
RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized stock based compensation expense $ 18.6   $ 18.6    
Share-based payment arrangement, period for recognition     2 years    
ESPP shares issued during period (in shares)     200,887    
Nonvested balance (in shares) 1,010,802   1,010,802   517,135
RSUs | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Requisite service period     1 year    
RSUs | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Requisite service period     3 years    
PSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Requisite service period     3 years    
Unrecognized stock based compensation expense $ 19.0   $ 19.0    
Share-based payment arrangement, period for recognition     2 years 1 month 6 days    
Shares of entitled common stock (in shares)     1.5    
Award vesting period     3 years    
Nonvested balance (in shares) 1,130,779   1,130,779   473,371
PSUs | Performance Conditions          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Nonvested balance (in shares) 452,316   452,316    
PSUs | Market Conditions          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Nonvested balance (in shares) 678,463   678,463    
Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based payment arrangement, period for recognition     8 months 12 days    
Stock options expected to vest (in shares) 671,595   671,595    
Stock options expected to vest, weighted average grant-date fair value (in dollars per share) $ 13.09   $ 13.09    
ESPP          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
ESPP shares issued during period (in shares)     189,837 155,486,000