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MARKETABLE SECURITIES (Tables) | 3 Months Ended
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Mar. 31, 2022
Cash and Cash Equivalents [Abstract] |
Marketable Securities | The following table summarizes our marketable securities by significant investment categories as of March 31, 2022:
| Cost Basis | Gross Unrealized Losses | Gross Unrealized Gains | Fair Value
Marketable equity securities | $ | 756 |  | $ | (145) |  | $ | — |  | $ | 611 |
The following table summarizes our marketable securities by significant investment categories as of December 31, 2021:
| Cost Basis | Gross Unrealized Losses | Gross Unrealized Gains | Fair Value
Marketable equity securities | $ | 756 |  | $ | (262) |  | $ | — |  | $ | 494 |

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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