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