Note 7 - Financial Instruments The Company’s assets that are measured at fair value on a recurring basis consist of the following: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | | Level | | Cost | | Unrealized Gain | | Unrealized Loss | | Fair Value | | | Cash and cash equivalents | | | | | | | | | | | | Cash | I | | $ | 23,886 | | | $ | — | | | $ | — | | | $ | 23,886 | | | | Money market funds | I | | 65,625 | | | — | | | — | | | 65,625 | | | | Government securities | I | | 4,011 | | | — | | | — | | | 4,011 | | | | Marketable securities | | | | | | | | | | | | | | | | | | | | | | | Government securities | II | | 6,487 | | | — | | | — | | | 6,487 | | | | Prepaid expenses and other current assets | | | | | | | | | | | | Restricted cash | I | | 210 | | | — | | | — | | | 210 | | | | | | | | | | | | | | | Other assets | | | | | | | | | | | | Restricted cash | I | | 475 | | | — | | | — | | | 475 | | | | Restricted cash in money market funds | I | | 145 | | | — | | | — | | | 145 | | | | | | | | | | | | | | | Total | | | $ | 100,839 | | | $ | — | | | $ | — | | | $ | 100,839 | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | Level | | Cost | | Unrealized Gain | | Unrealized Loss | | Fair Value | | | Cash and cash equivalents | | | | | | | | | | | | Cash | I | | $ | 3,408 | | | $ | — | | | $ | — | | | $ | 3,408 | | | | Money market funds | I | | 21,339 | | | — | | | — | | | 21,339 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prepaid expenses and other current assets | | | | | | | | | | | | Restricted cash | I | | 30 | | | — | | | — | | | 30 | | | | Money market funds | I | | 152 | | | — | | | — | | | 152 | | | | Other assets | | | | | | | | | | | | Restricted cash | I | | 182 | | | — | | | — | | | 182 | | | | Restricted cash in money market funds | I | | 13 | | | — | | | — | | | 13 | | | | | | | | | | | | | | | Total | | | $ | 25,124 | | | $ | — | | | $ | — | | | $ | 25,124 | | |
As of June 30, 2026 and December 31, 2025, the Company also held 18,712 units of Bitcoin with a cost basis of $661 million and fair value of $1,098 million and $1,637 million, respectively. The fair value of these digital assets is determined using Level I in the fair value hierarchy.
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