|
Cash equivalents and investments (debt securities) which are classified as available-for-sale securities, consisted of the following (in thousands):
|
December 31, 2021 |
|
Amortized
Cost |
|
|
Gross
Unrealized
Gains |
|
|
Gross
Unrealized
Losses |
|
|
Estimated
Fair
Value |
|
|
Money market funds (cash equivalents) |
|
$ |
44,347 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
44,347 |
|
|
U.S. government agency securities |
|
|
2,504 |
|
|
|
— |
|
|
|
— |
|
|
|
2,504 |
|
|
Total financial assets |
|
$ |
46,851 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
46,851 |
|
|
Classified as: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cash and cash equivalents |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
44,347 |
|
|
Short-term investments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,504 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
46,851 |
|
|
December 31, 2020 |
|
Amortized
Cost |
|
|
Gross
Unrealized
Gains |
|
|
Gross
Unrealized
Losses |
|
|
Estimated
Fair
Value |
|
|
Money market funds (cash equivalents) |
|
$ |
30,360 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
30,360 |
|
|
U.S. government agency securities |
|
|
37,835 |
|
|
|
2 |
|
|
|
— |
|
|
|
37,837 |
|
|
Federal agency securities |
|
|
13,697 |
|
|
|
3 |
|
|
|
— |
|
|
|
13,700 |
|
|
Total financial assets |
|
$ |
81,892 |
|
|
$ |
5 |
|
|
$ |
— |
|
|
$ |
81,897 |
|
|
Classified as: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cash and cash equivalents |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
30,360 |
|
|
Short-term investments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
48,994 |
|
|
Long-term investments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,543 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
81,897 |
|
There have been no material realized gains or losses on available-for-sale debt securities for the periods presented. As of December 31, 2021, the remaining contractual maturities of $2.5 million of available-for-sale debt securities were less than one year.
|