| Cash Equivalents and Investments Carried at Fair Value |
The following table presents the cash equivalents and investments carried at fair value in accordance with the hierarchy defined in Note 2 (in thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total |
Quoted prices in active markets (Level 1) |
Significant other observable inputs (Level 2) |
Significant unobservable inputs
(Level 3)
|
September 30, 2018 |
|
|
|
|
Money market funds, included in cash equivalents |
$ |
34,602 |
|
$ |
34,602 |
|
$ |
— |
|
$ |
— |
|
Investments - U.S. treasuries |
2,694 |
|
2,694 |
|
— |
|
— |
|
Investments - Asset-backed securities |
9,227 |
|
— |
|
9,227 |
|
— |
|
Investments - Corporate bonds |
35,901 |
|
— |
|
35,901 |
|
— |
|
Total |
$ |
82,424 |
|
$ |
37,296 |
|
$ |
45,128 |
|
$ |
— |
|
|
|
|
|
|
December 31, 2017 |
|
|
|
|
Money market funds, included in cash equivalents |
$ |
4,583 |
|
$ |
4,583 |
|
$ |
— |
|
$ |
— |
|
Corporate bonds, included in cash equivalents |
13,595 |
|
— |
|
13,595 |
|
— |
|
Investments - U.S. treasuries |
4,172 |
|
4,172 |
|
— |
|
— |
|
Investments - Asset-backed securities |
6,384 |
|
— |
|
6,384 |
|
— |
|
Investments - Corporate bonds |
34,117 |
|
— |
|
34,117 |
|
— |
|
Total |
$ |
62,851 |
|
$ |
8,755 |
|
$ |
54,096 |
|
$ |
— |
|
|
| Cash Equivalents and Investments |
Cash equivalents and investments at September 30, 2018 consist of the following (in thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Contractual maturity
(in days) |
Amortized Cost |
Unrealized gains |
Unrealized losses |
Fair Value |
Investments |
|
|
|
|
|
U.S. treasuries |
46-67 |
$ |
2,702 |
|
$ |
— |
|
$ |
(8 |
) |
$ |
2,694 |
|
Asset-backed securities |
15-319 |
9,228 |
|
7 |
|
(8 |
) |
9,227 |
|
Corporate bonds |
1-207 |
35,615 |
|
319 |
|
(33 |
) |
35,901 |
|
Total |
|
$ |
47,545 |
|
$ |
326 |
|
$ |
(49 |
) |
$ |
47,822 |
|
|