Quarterly report pursuant to Section 13 or 15(d)

Investments and Fair Value of Financial Instruments (Details 2)

v3.20.2
Investments and Fair Value of Financial Instruments (Details 2) - Contingent Royalty Obligation [Member]
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Balance at beginning $ 1,872
Change in estimated fair value of contingent royalty obligation (248)
Balance at ending $ 1,624