| Schedule of marketable securities |
Marketable securities consist of the following: | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated | (in thousands) | | Cost | | Gain | | Loss | | Fair Value | Corporate bonds | | $ | 4,831 | | $ | — | | $ | (3) | | $ | 4,828 | Total | | $ | 4,831 | | $ | — | | $ | (3) | | $ | 4,828 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated | (in thousands) | | Cost | | Gain | | Loss | | Fair Value | Corporate bonds | | $ | 15,818 | | $ | 19 | | $ | (1) | | $ | 15,836 | Total | | $ | 15,818 | | $ | 19 | | $ | (1) | | $ | 15,836 |
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Marketable securities consist of the following: | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated | (in thousands) | | Cost | | Gain | | Loss | | Fair Value | Corporate bonds | | $ | 15,818 | | $ | 19 | | $ | (1) | | $ | 15,836 | Total | | $ | 15,818 | | $ | 19 | | $ | (1) | | $ | 15,836 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2024 | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated | (in thousands) | | Cost | | Gain | | Loss | | Fair Value | Corporate bonds | | $ | 32,515 | | $ | 22 | | $ | (20) | | $ | 32,517 | U.S. Treasury and Government agencies | | | 8,375 | | | 2 | | | — | | | 8,377 | Total | | $ | 40,890 | | $ | 24 | | $ | (20) | | $ | 40,894 |
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| Schedule of available-for-sale maturities |
The following table summarizes maturities of the Company’s investments available-for-sale as of June 30, 2026: | | | | | | | | | | | | | | | | June 30, 2026 | | | | | | Fair | (in thousands) | | Cost | | Value | Maturities: | | | | | | | Within 1 year | | $ | 4,831 | | $ | 4,828 | Total investments available-for-sale | | $ | 4,831 | | $ | 4,828 |
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The following table summarizes maturities of the Company’s investments available-for-sale as of December 31, 2025: | | | | | | | | | | | | | | | | December 31, 2025 | | | | | | Fair | (in thousands) | | Cost | | Value | Maturities: | | | | | | | Within 1 year | | $ | 14,593 | | $ | 14,607 | Over 1 year | | | 1,225 | | | 1,229 | Total investments available-for-sale | | $ | 15,818 | | $ | 15,836 |
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