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Property and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property and equipment, net consists of the following:
December 31,
Useful life20232022
(in years)
Production tooling4$16,428 $10,851 
Lab equipment412,887 6,382 
Office equipment
3 - 7
6,539 4,736 
Leasehold improvements*1,898 1,216 
Construction in progress3,867 1,763 
Property and equipment, gross41,619 24,948 
Less: Accumulated depreciation14,653 9,119 
Property and equipment, net$26,966 $15,829 
*Leasehold improvements are amortized over the shorter of the remaining lease term or estimated useful life of the leasehold improvement.