| Schedule of Available for Sale Securities |
The carrying amount, unrealized gain and loss, and fair value of investments by major security type were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | | | Amortized Cost | | | | Gross Unrealized Gain | | Gross Unrealized Loss | | | | Fair Value | | Fair Value Hierarchy | | (In thousands) | | | | Cash equivalents: | | | | | | | | | | | | | | | Money market funds | $ | 10,000 | | | | | $ | — | | | $ | — | | | | | $ | 10,000 | | | Level 1 | | U.S. Treasury Securities | 3,611 | | | | | — | | | — | | | | | 3,611 | | | Level 2 | | Total cash equivalents | 13,611 | | | | | — | | | — | | | | | 13,611 | | | | | Marketable securities: | | | | | | | | | | | | | | | U.S. treasury and agency securities | 21,636 | | | | | 6 | | | (86) | | | | | 21,556 | | | Level 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Restricted cash, current: | | | | | | | | | | | | | | | Money market funds | 1,935 | | | | | — | | | — | | | | | 1,935 | | | Level 1 | | Total | $ | 37,182 | | | | | $ | 6 | | | $ | (86) | | | | | $ | 37,102 | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | | Amortized Cost | | Gross Unrealized Gain | | Fair Value | | Fair Value Hierarchy | | (In thousands) | | | | Cash equivalents: | | | | | | | | | Money market funds | $ | 29,639 | | | $ | — | | | $ | 29,639 | | | Level 1 | | | | | | | | | | Marketable securities: | | | | | | | | | U.S. treasury and agency securities | 24,655 | | | 84 | | | 24,739 | | | Level 2 | | | | | | | | | | Restricted cash, current: | | | | | | | | | Money market funds | 1,937 | | | — | | | 1,937 | | | Level 1 | | Total | $ | 56,231 | | | $ | 84 | | | $ | 56,315 | | | |
The following table summarizes the stated maturities of the Company’s marketable securities: | | | | | | | | | | | | | | June 30, 2026 | | | | | (In thousands) | | | Amortized Cost | Fair Value | | | | | | Due within one year | $ | 12,392 | | $ | 12,382 | | | | | | | Due after one year through two years | 9,244 | | 9,174 | | | | | | Total marketable securities | $ | 21,636 | | $ | 21,556 | | | | | |
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