| Schedule of Significant Segment Expenses |
The Company included a summary of the segment net loss, including significant segment expenses for its single reportable segment: | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | (in thousands) | 2026 | | 2025 | | 2026 | | 2025 | | Total revenue | $ | 190 | | | $ | — | | | $ | 190 | | | $ | — | | | Cost of service revenue | 15 | | | — | | | 15 | | | — | | | Operating expenses: | | | | | | | | | Salaries and related benefits | 7,573 | | | 7,946 | | | 15,256 | | | 16,969 | | | Professional services and laboratory expenses | 3,338 | | | 3,240 | | | 6,516 | | | 6,429 | | | Facilities expenses | 2,550 | | | 2,827 | | | 5,167 | | | 5,839 | | | Stock-based compensation expense | 1,158 | | | 1,709 | | | 2,520 | | | 3,877 | | Other segment items (1) | 1,319 | | | 1,375 | | | 2,603 | | | 2,827 | | | Total operating expenses | 15,938 | | | 17,097 | | | 32,062 | | | 35,941 | | | | | | | | | | | Reconciliation to net loss: | | | | | | | | | Interest income | 1,307 | | | 2,080 | | | 2,749 | | | 4,311 | | | Other expense | (13) | | | (16) | | | (28) | | | (16) | | | Net loss | $ | (14,469) | | | $ | (15,033) | | | $ | (29,166) | | | $ | (31,646) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | Footnotes: | | (1) | Other segment items for the Company’s single reportable segment include travel and entertainment, insurance, tax, expensed computer hardware and software, depreciation, and other miscellaneous expenses. |
|