| Marketable securities |
|
| December 31, 2019
|
|
| CostBasis
|
| Gross Unrealized Gains
|
| Gross Unrealized Losses
|
| Fair Value
|
| | | | | | | |
|
| Certificates of deposit
|
| $
| 8,953,000
| |
| $
| 6,000
| |
| $
| —
| |
| $
| 8,959,000
|
|
| Fixed income mutual funds
| |
| 7,878,000
| | |
| 1,000
| | |
| —
| | |
| 7,879,000
|
|
| Corporate bonds and notes
| |
| 8,813,000
| | |
| 112,000
| | |
| (33,000
| )
| |
| 8,892,000
|
|
| Total Marketable securities
|
| $
| 25,644,000
| |
| $
| 119,000
| |
| $
| (33,000
| )
|
| $
| 25,730,000
| |
|
| December 31, 2018
|
|
| CostBasis
|
| Gross Unrealized Gains
|
| Gross Unrealized Losses
|
| Fair Value
|
| | | | | | | |
|
| Certificates of deposit
|
| $
| 13,151,000
| |
| $
| —
| |
| $
| —
| |
| $
| 13,151,000
|
|
| Fixed income mutual funds
| |
| 9,648,000
| | |
| —
| | |
| (8,000
| )
| |
| 9,640,000
|
|
| Corporate bonds and notes
| |
| 8,518,000
| | |
| —
| | |
| (81,000
| )
| |
| 8,437,000
|
|
| Total Marketable securities
|
| $
| 31,317,000
| |
| $
| —
| |
| $
| (89,000
| )
|
| $
| 31,228,000
| |
|