Annual report pursuant to Section 13 and 15(d)

Cash Equivalents and Equity Securities (Tables)

v3.19.3.a.u2
Cash Equivalents and Equity Securities (Tables)
12 Months Ended
Dec. 31, 2019
Debt Securities, Available-for-sale [Abstract]  
Investment
Cash equivalents at December 31, 2019 and cash equivalents and equity securities at December 31, 2018 consisted of the following (in thousands): 
  December 31, 2019
  Adjusted Cost Gross Unrealized Gains Gross Unrealized Losses
Estimated
Fair Value
Average
Contractual
Maturities
    (in days)
Money market funds (1)
$ 71,248    $ —    $ —    $ 71,248    n/a

  December 31, 2018
  Adjusted Cost Gross Unrealized Gains (3) Gross Unrealized Losses (3)
Estimated
Fair Value
Average
Contractual
Maturities
  (in days)
Money market funds (1)
$ 31,225    $ —    $ —    $ 31,225    n/a
Common shares of CO2 Solutions (2)
563    25    —    588    n/a
Total $ 31,788    $ 25    $ —    $ 31,813   
(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.