Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Contingent Consideration (Details)

v3.20.1
Fair Value Measurements - Contingent Consideration (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2019
Feb. 25, 2019
Fair Value Measurements      
Contingent consideration under royalty purchase agreements   $ 75  
Bioasis Technologies Inc | Royalty Purchase Agreement      
Fair Value Measurements      
Changes in estimated fair value of contingent consideration   0  
Contingent consideration under royalty purchase agreements   100 $ 100
Contingent consideration paid   $ 0  
Aronora | Royalty Purchase Agreement      
Fair Value Measurements      
Contingent consideration paid $ 3,000