Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2024

Payables and Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses were as follows:

	March 31, 2024		December 31, 2023
Accrued payroll	$	7,273	$	4,553
Warranty reserve (1)	5,513		6,197
Accrued legal and professional expenses	11,058		10,710
Provision for contract losses	3,205		3,351
Insurance premium payable, current	2,730		2,605
Interest payable, current	3,684		—
Other	5,151		4,916
Total accrued expenses	$	38,614	$	32,332

(1) Refer to the table below for the warranty reserve activity for the three months ended March 31, 2024 and 2023.

Schedule of Warranty Reserve Activity

The following table summarizes warranty reserve activity:

	Three Months Ended March 31,
	2024		2023
Warranty reserve - beginning of period	$	6,197	$	3,836
Additions for current period deliveries	265		357
Changes in the warranty reserve estimate	(949)		—
Warranty costs incurred	—		(221)
Warranty reserve - end of period	$	5,513	$	3,972