Cash Equivalents and Equity Securities (Tables)
|12 Months Ended|
Dec. 31, 2019
|Debt Securities, Available-for-sale [Abstract]|
Cash equivalents at December 31, 2019 and cash equivalents and equity securities at December 31, 2018 consisted of the following (in thousands):
(1) Money market funds are classified in cash and cash equivalents on our consolidated balance sheets.
(2) Common shares of CO2 Solutions are classified in equity securities on our consolidated balance sheets.
Tabular disclosure of investment.
Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef