| Accrued Expenses Accrued expenses were as follows: | | | | | | | | | | | | | March 31, 2026 | | December 31, 2025 | | Accrued payroll | $ | 7,192 | | | $ | 4,471 | | Warranty reserve (1) | 9,533 | | | 9,469 | | | Accrued legal and professional expenses | 1,482 | | | 1,570 | | | Provision for contract losses | 5,979 | | | 6,138 | | | | | | | Accrued interest | 4,659 | | | 1,196 | | | Accrued capital expenditures | 7,072 | | | 500 | | Other | 3,279 | | | 2,450 | | | Total accrued expenses | $ | 39,196 | | | $ | 25,794 | |
(1) Refer to the table below for the warranty reserve activity for the three months ended March 31, 2026.
The following table summarizes warranty reserve activity:
| | | | | | | | | | | | | | | | | Three Months Ended March 31, | | | | 2026 | | 2025 | | | | | | Warranty reserve - beginning of period | $ | 9,469 | | | $ | 5,102 | | | | | | | Additions for current period deliveries | 2,089 | | | 407 | | | | | | | Changes in the warranty reserve estimate | (1,915) | | | — | | | | | | | Warranty costs incurred | (110) | | | (756) | | | | | | | Warranty reserve - end of period | $ | 9,533 | | | $ | 4,753 | | | | | |
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