Marketable Equity Securities (Tables)
|12 Months Ended|
Dec. 31, 2018
|Investments Debt And Equity Securities [Abstract]|
|Schedule of Investments in Securities||
Investments in securities as of December 31, 2018 and 2017 consisted of the following:
Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.
No definition available.