Quarterly report pursuant to Section 13 or 15(d)

Investments and Fair Value of Financial Instruments (Details)

v3.20.2
Investments and Fair Value of Financial Instruments (Details) - Fair Value, Measurements, Recurring [Member]
$ in Thousands
Dec. 31, 2019
USD ($)
Amortized Cost $ 8,198
Carrying Value 8,203
Mutual Fund [Member] | Mutual fund, available-for-sale [Member]  
Amortized Cost 8,198
Carrying Value $ 8,203