Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Tables)

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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2023
Accounting Policies [Abstract]  
Schedule of Estimated Useful Lives of Property and Equipment Property and equipment are depreciated or amortized using the straight-line method over the estimated useful lives of the following assets below.
Estimated Useful Life (in Years)
Machinery and equipment 2 - 10
Office equipment and software 3 - 5
Furniture and fixtures 3 - 5
Building 33
Leasehold improvements Shorter of the economic life or the remaining lease term
Property and equipment consists of the following categories (in thousands).
December 31, 2023 January 1,
2023
Machinery and equipment $ 100,335  $ 55,694 
Building and leasehold improvements 36,651  24,565 
Office equipment and software 2,561  1,586 
Furniture and fixtures 898  771 
Land 1,433  — 
Construction in process 68,958  33,268 
Total property and equipment 210,836  115,884 
Less: accumulated depreciation (44,365) (12,016)
Property and equipment, net $ 166,471  $ 103,868 
The following table summarizes the depreciation and amortization expenses related to property and equipment, which were recorded within cost of revenue, research and development expense and selling, general and administrative expense in the Consolidated Statements of Operations (in thousands).
Fiscal Years
2023 2022 2021
Depreciation expense $ 33,870  $ 7,425  $ 995 
Equipment Impairment
The following table summarizes impairment of equipment (in thousands).
Fiscal Years
2023 2022 2021
Impairment of equipment $ 4,411  $ 4,921  $ — 
Schedule of significant Changes in Deferred Revenue The following table summarizes the significant changes in deferred revenue during the fiscal year 2023 (in thousands).
2023
Beginning Balance $ 3,774 
Routejade acquisition 10,568 
Revenue recognized (3,968)
Increased due to customer advanced payments 108 
Deferred revenues, end of period $ 10,482