| Cash Equivalents and Marketable Securities |
The amortized cost, unrealized gains and losses and fair values of cash equivalents and marketable securities were as follows (in thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
December 31, 2021 |
|
Description |
|
Amortized
Cost |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Fair
Value |
|
Cash equivalents: |
|
|
|
|
|
|
|
|
|
|
|
|
Money market funds |
|
$ |
79,281 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
79,281 |
|
Commercial paper |
|
|
1,000 |
|
|
|
— |
|
|
|
— |
|
|
|
1,000 |
|
Corporate debt securities |
|
|
1,031 |
|
|
|
— |
|
|
|
— |
|
|
|
1,031 |
|
Total cash equivalents |
|
|
81,312 |
|
|
|
— |
|
|
|
— |
|
|
|
81,312 |
|
Short-term marketable securities: |
|
|
|
|
|
|
|
|
|
|
|
|
Certificates of deposit |
|
|
5,600 |
|
|
|
— |
|
|
|
(6 |
) |
|
|
5,594 |
|
Commercial paper |
|
|
44,990 |
|
|
|
— |
|
|
|
(16 |
) |
|
|
44,974 |
|
Corporate debt securities |
|
|
26,976 |
|
|
|
— |
|
|
|
(23 |
) |
|
|
26,953 |
|
U.S. treasuries |
|
|
12,277 |
|
|
|
— |
|
|
|
(8 |
) |
|
|
12,269 |
|
U.S. government debt securities |
|
|
2,000 |
|
|
|
— |
|
|
|
(1 |
) |
|
|
1,999 |
|
Asset backed securities |
|
|
16,565 |
|
|
|
— |
|
|
|
(8 |
) |
|
|
16,557 |
|
Total short-term marketable securities |
|
|
108,408 |
|
|
|
— |
|
|
|
(62 |
) |
|
|
108,346 |
|
Long-term marketable securities: |
|
|
|
|
|
|
|
|
|
|
|
|
Corporate debt securities |
|
|
1,637 |
|
|
|
— |
|
|
|
(6 |
) |
|
|
1,631 |
|
U.S. treasuries |
|
|
2,991 |
|
|
|
— |
|
|
|
(5 |
) |
|
|
2,986 |
|
Total long-term marketable securities |
|
|
4,628 |
|
|
|
— |
|
|
|
(11 |
) |
|
|
4,617 |
|
Total |
|
$ |
194,348 |
|
|
$ |
— |
|
|
$ |
(73 |
) |
|
$ |
194,275 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
December 31, 2020 |
|
Description |
|
Amortized
Cost |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Fair
Value |
|
Cash equivalents: |
|
|
|
|
|
|
|
|
|
|
|
|
Money market funds |
|
$ |
36,801 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
36,801 |
|
Total cash equivalents |
|
|
36,801 |
|
|
|
— |
|
|
|
— |
|
|
|
36,801 |
|
Short-term marketable securities: |
|
|
|
|
|
|
|
|
|
|
|
|
US treasuries |
|
|
1,002 |
|
|
|
— |
|
|
|
— |
|
|
|
1,002 |
|
Total short-term marketable securities |
|
|
1,002 |
|
|
|
— |
|
|
|
— |
|
|
|
1,002 |
|
Total |
|
$ |
37,803 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
37,803 |
|
|