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Financial Statement Components (Tables)
 12 Months Ended
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Cash and Cash Equivalents
Cash and cash equivalents consisted of the following (in thousands):
 December 31,
 20242023
Cash$48,825 $35,659 
Money market funds17,730 101,842 
U.S. treasury securities5,519 — 
Commercial paper9,967 497 
Corporate bonds799 1,097 
Total cash and cash equivalents$82,840 $139,095 
Schedule of Inventory
Inventory consisted of the following (in thousands):
 December 31,
 20242023
Raw materials$6,932 $5,614 
Work-in-process3,917 2,521 
Finished goods4,059 4,061 
Total inventory$14,908 $12,196 
Schedule of Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consisted of the following (in thousands):
 December 31,
 20242023
Prepaid expenses$8,321 $12,434 
Contract assets16,199 14,132 
Advance payments to vendors274 3,038 
Other receivables6,704 3,346 
Total prepaid expenses and other current assets$31,498 $32,950 
Schedule of Property and Equipment
Property and equipment are stated at cost less accumulated depreciation and amortization, and are depreciated using the straight-line method over the estimated useful lives of the assets as follows:
Asset CategoryEstimated useful lives
Machinery and equipment
1 to 7 years
Computer hardware and software
3 to 5 years
Demonstration fleet and demonstration units
2 to 5 years
Leasehold improvementsShorter of useful life or lease term
Vehicles5 years
Furniture and fixtures7 years
Property and equipment consisted of the following (in thousands):
 December 31,
 20242023
Machinery and equipment$62,982 $58,815 
Computer hardware and software8,404 7,025 
Land1,001 1,001 
Leasehold improvements22,620 22,531 
Vehicles, including demonstration fleet2,139 2,207 
Furniture and fixtures398 900 
Construction in progress887 2,256 
Total property and equipment98,431 94,735 
Accumulated depreciation and amortization(46,150)(28,435)
Total property and equipment, net$52,281 $66,300 
Schedule of Intangible Assets
The following table summarizes the activity in the Company’s intangible assets (in thousands):
December 31,
20242023
Beginning of the period$22,994 $22,077 
Additions— 8,240 
Amortization(4,188)(4,323)
Impairment(1)
(3,250)(3,000)
End of the period$15,556 $22,994 
The components of intangible assets were as follows (in thousands):
December 31, 2024December 31, 2023
Gross
Carrying
 Amount		Accumulated
Amortization
Impairment(1)
Net
Carrying
Amount		Weighted Average
Remaining Period
(Years)		Gross
Carrying
 Amount		Accumulated
Amortization		ImpairmentNet
Carrying
Amount		Weighted Average
Remaining Period
(Years)
Customer relationships$3,730 $(2,295)$— $1,435 3.2$3,730 $(1,479)$— $2,251 3.7
Customer backlog650 (650)— — — 650 (650)— — $— 
Tradename620 (464)— 156 1.3620 (339)— 281 2.3
Assembled workforce130 (130)— — — 130 (130)— — — 
Developed technology21,400 (7,435)— 13,965 4.920,150 (4,188)— 15,962 5.5
IPR&D6,250 — (6,250)— — 7,500 — (3,000)4,500 — 
Total intangible assets$32,780 $(10,974)$(6,250)$15,556 4.7$32,780 $(6,786)$(3,000)$22,994 5.2
(1)    See below for discussions related to impairment charges.
Schedule of Future Amortization Expense for Intangible Assets
As of December 31, 2024, the expected future amortization expense for intangible assets was as follows (in thousands):
PeriodExpected Future
Amortization Expense
2025$4,127 
20263,479 
20273,263 
20281,771 
20291,635 
Thereafter1,281 
Total$15,556 
Schedule of Goodwill Allocated to the Company’s Reportable Segments
The carrying amount of goodwill allocated to the Company’s reportable segments was as follows (in thousands):
 Autonomy SolutionsATSTotal
Balance as of December 31, 2022
$687 $18,129 $18,816 
Goodwill related to acquisition of Seagate’s LiDAR business (see Note 3)
1,063 — 1,063 
Impairment of goodwill related to Freedom Photonics
— (12,489)(12,489)
Balance as of December 31, 2023
$1,750 $5,640 $7,390 
Impairment of goodwill related to Freedom Photonics
— (3,396)(3,396)
Balance as of December 31, 2024
$1,750 $2,244 $3,994 
Schedule of Other Noncurrent Assets
Other non-current assets consisted of the following (in thousands):
 December 31,
 20242023
Security deposits$2,285 $2,410 
Non-marketable equity investment (see Note 6 for additional information)
10,000 14,000 
Prepaid expenses non-current
3,587 3,471 
Contract assets— 2,471 
Other non-current assets804 4 
Total other non-current assets$16,676 $22,356 
Schedule of Accrued and Other Current Liabilities
Accrued and other current liabilities consisted of the following (in thousands): 
 December 31,
 20242023
Accrued compensation and benefits$10,284 $20,658 
Accrued expenses10,334 14,723 
Contract losses
— 8,790 
Warranty reserves850 4,154 
Contract liabilities1,918 3,127 
Accrued interest payable and other liabilities
8,181 1,153 
Total accrued and other current liabilities$31,567 $52,605