Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Stock-Based Compensation Expense) (Details)

v3.23.1
Stockholders' Equity (Stock-Based Compensation Expense) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 4,731 $ 5,563
Avenue Therapeutics, Inc [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense 11 569
Checkpoint [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense 969 775
Mustang    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense 235 664
Journey    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense 646 773
Other Partners [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense 26 21
Employee and non-employee awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense 2,437 2,599
Executive awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 407 $ 162