Quarterly report pursuant to Section 13 or 15(d)

Investments and Fair Value of Financial Instruments (Details)

v3.20.1
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] | Available-for-sale Securities [Member]  
Amortized Cost 8,198
Carrying value $ 8,203