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Property and Equipment, Net
9 Months Ended
Sep. 30, 2025
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net

5. PROPERTY AND EQUIPMENT, NET

Property and equipment, net, consisted of the following:

 

 

September 30, 2025

 

 

December 31, 2024

 

Lab and test equipment

 

$

24,919

 

 

$

24,421

 

Vehicles

 

 

6,625

 

 

 

6,360

 

Equipment

 

 

69,031

 

 

 

60,763

 

Furniture and fixtures

 

 

3,281

 

 

 

3,221

 

Leasehold improvements

 

 

14,224

 

 

 

14,029

 

Aircraft

 

 

12,386

 

 

 

12,386

 

Building

 

 

5,748

 

 

 

5,763

 

 

 

136,214

 

 

 

126,943

 

Land

 

 

1,089

 

 

 

1,089

 

Construction in progress

 

 

3,079

 

 

 

3,993

 

Less: Accumulated depreciation

 

 

(77,430

)

 

 

(68,249

)

   Total property and equipment—net

 

$

62,952

 

 

$

63,776

 

Total depreciation expense included in the unaudited condensed consolidated statements of operations was $3.3 million and $9.7 million for the three and nine months ended September 30, 2025, respectively, and $2.8 million and $8.7 million for the three and nine months ended September 30, 2024, respectively.