| Schedule of marketable securities |
| Schedule of marketable securities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
December
31, 2022 |
|
| |
|
Cost
Basis |
|
|
Gross
Unrealized
Gains |
|
|
Gross
Unrealized
Losses |
|
|
Fair
Value |
|
| Government Securities |
|
$ |
20,781,000 |
|
|
$ |
67,000 |
|
|
$ |
— |
|
|
$ |
20,848,000 |
|
| Fixed income mutual funds |
|
|
11,904,000 |
|
|
|
— |
|
|
|
(915,000 |
) |
|
|
10,989,000 |
|
| Certificates of Deposit |
|
|
3,019,000 |
|
|
|
— |
|
|
|
(43,000 |
) |
|
|
2,976,000 |
|
| Corporate bonds
and notes |
|
|
192,000 |
|
|
|
— |
|
|
|
(14,000 |
) |
|
|
178,000 |
|
| Total marketable
securities |
|
$ |
35,896,000 |
|
|
$ |
67,000 |
|
|
$ |
(972,000 |
) |
|
$ |
34,991,000 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
December
31, 2021 |
|
| |
|
Cost
Basis |
|
|
Gross
Unrealized
Gains |
|
|
Gross
Unrealized
Losses |
|
|
Fair
Value |
|
| Fixed income mutual funds |
|
$ |
14,462,000 |
|
|
|
— |
|
|
$ |
(137,000 |
) |
|
$ |
14,325,000 |
|
| Corporate bonds
and notes |
|
|
813,000 |
|
|
|
— |
|
|
|
(12,000 |
) |
|
|
801,000 |
|
| Total marketable
securities |
|
$ |
15,275,000 |
|
|
$ |
— |
|
|
$ |
(149,000 |
) |
|
$ |
15,126,000 |
|
|