| Marketable securities |
Marketable
securities as of September 30,
2021 and December 31, 2020 were composed of:
| |
|
September 30, 2020 |
|
| |
|
Cost Basis
|
|
|
Gross Unrealized Gains
|
|
|
Gross Unrealized Losses
|
|
|
Fair Value
|
|
| Fixed income mutual funds |
|
$ |
12,313,000 |
|
|
$ |
3,000 |
|
|
$ |
— |
|
|
$ |
12,316,000 |
|
| Corporate bonds and notes |
|
|
5,357,000 |
|
|
|
— |
|
|
|
(6,000 |
) |
|
|
5,351,000 |
|
| Total marketable securities |
|
$ |
17,670,000 |
|
|
$ |
3,000 |
|
|
$ |
(6,000 |
) |
|
$ |
17,667,000 |
|
| |
|
December 31, 2020 |
|
| |
|
Cost Basis
|
|
|
Gross Unrealized Gains
|
|
|
Gross Unrealized Losses
|
|
|
Fair Value
|
|
| Certificates of deposit |
|
$ |
3,534,000 |
|
|
$ |
7,000 |
|
|
$ |
— |
|
|
$ |
3,541,000 |
|
| Fixed income mutual funds |
|
|
11,255,000 |
|
|
|
80,000 |
|
|
|
— |
|
|
|
11,335,000 |
|
| Corporate bonds and notes |
|
|
4,500,000 |
|
|
|
18,000 |
|
|
|
(28,000 |
) |
|
|
4,490,000 |
|
| Total marketable securities |
|
$ |
19,289,000 |
|
|
$ |
105,000 |
|
|
$ |
(28,000 |
) |
|
$ |
19,366,000 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|