Aeva (AEVA) 10-Q 9 May 22 2022 Q1 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2022	May 02, 2022
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Entity Registrant Name	AEVA TECHNOLOGIES, INC.
Entity Central Index Key	0001789029
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity File Number	001-39204
Entity Tax Identification Number	84-3080757
Entity Address, Address Line One	555 Ellis Street
Entity Address, City or Town	Mountain View
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94043
City Area Code	650
Local Phone Number	481-7070
Entity Common Stock, Shares Outstanding		216,703,019
Document Quarterly Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	DE
Entity Interactive Data Current	Yes
Common Stock [Member]
Document Information [Line Items]
Trading Symbol	AEVA
Title of 12(b) Security	Common stock, $0.0001 par value per share
Security Exchange Name	NYSE
Warrant [Member]
Document Information [Line Items]
Trading Symbol	AEVA.WS
Title of 12(b) Security	Warrants to purchase one share of common stock
Security Exchange Name	NYSE

CONDENSED CONSOLIDATED BALANCE

CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 62,499	$ 66,810
Marketable securities	351,988	378,200
Accounts receivable	211	2,341
Inventories	1,926	2,063
Other current assets	8,667	9,070
Total current assets	425,291	458,484
Operating lease right-of-use assets	9,577	10,284
Property, plant and equipment, net	7,279	5,136
Intangible assets, net	4,200	4,425
Other noncurrent assets	860	859
Total assets	447,207	479,188
Liabilities, convertible preferred stock and stockholders' equity
Accounts payable	6,645	4,386
Accrued liabilities	2,671	4,110
Accrued employee costs	1,109	2,196
Lease liability, current portion	2,929	2,872
Other current liabilities	234	733
Total current liabilities	13,588	14,297
Lease liability, noncurrent portion	6,702	7,455
Warrant liability	426	1,060
Total liabilities	20,716	22,812
Commitments and contingencies (Note 14)
Convertible preferred stock $0.0001 par value; 10,000 shares authorized; no shares issued and outstanding	0	0
Stockholders' Deficit
Common stock $0.0001 par value; 422,000 shares authorized; 216,644 and 214,997 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	22	21
Additional paid-in capital	625,567	619,841
Accumulated other comprehensive loss	(2,979)	(524)
Accumulated deficit	(196,119)	(162,962)
Total stockholders' equity	426,491	456,376
Total liabilities, convertible preferred stock and stockholders' equity	$ 447,207	$ 479,188

CONDENSED CONSOLIDATED BALANC_2

CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - $ / shares	Mar. 31, 2022	Dec. 31, 2021
Temporary equity, shares authorized	432,000,000
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	422,000,000	422,000,000
Common stock, shares issued	216,644,000	214,997,000
Common stock, shares outstanding	216,644,000	214,997,000
Convertible Preferred Stock [Member]
Temporary equity, par value per share	$ 0.0001	$ 0.0001
Temporary equity, shares authorized	10,000,000	10,000,000
Temporary equity, shares issued	0	0
Temporary equity, shares outstanding	0	0

CONDENSED CONSOLIDATED STATEMEN

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues [Abstract]
Total revenues	$ 1,137	$ 308
Cost of revenues:
Total cost of revenues	1,375	180
Gross profit	(238)	128
Research and development expenses	25,315	11,379
General and administrative expenses	6,872	8,217
Selling and marketing expenses	1,648	659
Operating Expenses, Total	33,835	20,255
Operating loss	(34,073)	(20,127)
Interest income	283	3
Other income, net	633	666
Loss before income taxes	(33,157)	(19,458)
Income taxes	0	0
Net loss	(33,157)	(19,458)
Unrealized loss on available-for-sale securities	(2,455)	(29)
Total comprehensive loss	$ (35,612)	$ (19,487)
Net loss per share, basic and diluted	$ (0.15)	$ (0.12)
Weighted-average shares used in computing net loss per share, basic and diluted	216,017,186	163,955,593
Product
Revenues [Abstract]
Total revenues	$ 211	$ 293
Cost of revenues:
Total cost of revenues	920	180
Professional service
Revenues [Abstract]
Total revenues	926	15
Cost of revenues:
Total cost of revenues	$ 455	$ 0

CONDENSED CONSOLIDATED STATEM_2

CONDENSED CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) (UNAUDITED) - USD ($) $ in Thousands	Total	Business combination and PIPE [Member]	Previously Reported [Member]	Revision of Prior Period, Adjustment [Member]	Convertible Preferred Stock [Member]	Convertible Preferred Stock [Member]Previously Reported [Member]	Convertible Preferred Stock [Member]Revision of Prior Period, Adjustment [Member]	Common Stock [Member]	Common Stock [Member]Business combination and PIPE [Member]	Common Stock [Member]Previously Reported [Member]	Common Stock [Member]Revision of Prior Period, Adjustment [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member]Business combination and PIPE [Member]	Additional Paid-in Capital [Member]Previously Reported [Member]	Additional Paid-in Capital [Member]Revision of Prior Period, Adjustment [Member]	Accumulated Other Comprehensive loss	Accumulated Deficit [Member]	Accumulated Deficit [Member]Previously Reported [Member]
Beginning balance at Dec. 31, 2020						$ 79,204	$ (79,204)
Beginning balance, Shares at Dec. 31, 2020						8,606,780	(8,606,780)
Beginning balance at Dec. 31, 2020	$ 26,913		$ (52,291)	$ 79,204				$ 15		$ 9	$ 6	$ 87,982		$ 8,784	$ 79,198		$ (61,084)	$ (61,084)
Beginning balance, Shares at Dec. 31, 2020								151,365,509		8,069,693	143,295,816
Share-based compensation	4,513											4,513
Issuance of common stock upon exercise of stock options	198											198
Issuance of common stock upon exercise of stock options, Shares								701,139
Business combination and PIPE financing, net of acquired private placement warrant		$ 557,763							$ 6				$ 557,757
Business combination and PIPE financing, net of acquired private placement warrant, Shares									59,343,104
Offering cost in connection with Business combination and PIPE financing		$ (47,983)											$ (47,983)
Issuance of common stock upon release of restricted stock units, Shares								41,408
Unrealized loss on available-for-sale securities	(29)															$ (29)
Net loss	(19,458)																(19,458)
Ending balance at Mar. 31, 2021	521,917							$ 21				602,467				(29)	(80,542)
Ending balance, Shares at Mar. 31, 2021								211,451,160
Beginning balance, Shares at Dec. 31, 2021					0
Beginning balance at Dec. 31, 2021	456,376							$ 21				619,841				(524)	(162,962)
Beginning balance, Shares at Dec. 31, 2021								214,997,014
Share-based compensation	5,784											5,784
Issuance of common stock upon exercise of stock options	$ 186							$ 1				185
Issuance of common stock upon exercise of stock options, Shares	1,029,266							1,029,266
Issuance of common stock upon release of restricted stock units, Shares								671,621
Shares withheld for the withholding tax on vesting of restricted stock	$ (244)											(244)
Shares withheld for the withholding tax on vesting of restricted stock, Shares								(53,553)
Issuance of common stock upon exercise of warrants	1											1
Issuance of common stock upon exercise of warrants, shares								120
Unrealized loss on available-for-sale securities	(2,455)															(2,455)
Net loss	(33,157)																(33,157)
Ending balance, Shares at Mar. 31, 2022					0
Ending balance at Mar. 31, 2022	$ 426,491							$ 22				$ 625,567				$ (2,979)	$ (196,119)
Ending balance, Shares at Mar. 31, 2022								216,644,468

CONDENSED CONSOLIDATED STATEM_3

CONDENSED CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS EQUITY (DEFICIT) (UNAUDITED) (Parenthetical) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)
Statement of Stockholders' Equity [Abstract]
Net of acquired private placement warrant	$ 3,014

CONDENSED CONSOLIDATED STATEM_4

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss	$ (33,157)	$ (19,458)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	630	215
Change in fair value of warrant liability	(634)	(668)
Stock-based compensation	5,784	4,513
Impairment of inventories	767	0
Amortization of right-of-use assets	707	223
Amortization of premium on available-for-sale securities	435	0
Changes in operating assets and liabilities:
Accounts receivable	2,130	(104)
Inventories	(312)	(310)
Other current assets	403	(258)
Other noncurrent assets	(1)	(296)
Accounts payable	1,890	964
Accrued liabilities	(2,653)	872
Accrued employee costs	(1,332)	(358)
Lease liability	(696)	(141)
Other current liabilities	(499)	9
Net cash used in operating activities	(26,538)	(14,797)
Cash flows from investing activities:
Purchase of property, plant and equipment	(1,283)	(669)
Purchase of available-for-sale securities	(82,284)	(53,501)
Proceeds from maturities of available-for-sale securities	105,607	0
Net cash provided by (used in) investing activities	22,040	(54,170)
Cash flows from financing activities:
Proceeds from business combination and private offering	0	560,777
Transaction costs related to business combination and private offering	0	(47,228)
Proceeds from exercise of warrants	1	0
Proceeds from exercise of stock options	186	198
Net cash provided by financing activities	187	513,747
Net increase (decrease) in cash and cash equivalents	(4,311)	444,781
Beginning cash and cash equivalents	66,810	24,624
Ending cash and cash equivalents	62,499	469,405
Supplemental disclosures of cash flow information:
Cash paid for interest	0	0
Cash paid for income taxes	0	0
Supplemental disclosures of non-cash investing and financing activities:
Changes in purchases of property and equipment recorded in accounts payable and accrued liabilities	1,265	215
Taxes withheld on net settled vesting of restricted stock units	244	0
Offering costs included in accounts payable and accrued liabilities	0	534
Private placement of warrants acquired as part of merger	0	3,014
Right-of-use assets obtained in exchange for lease liability	0	4,692
Non-cash lease adoption	$ 0	$ 1,665

Description of Business and Sum

Description of Business and Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2022
Accounting Policies [Abstract]
Description of Business and Summary of Significant Accounting Policies	Note 1. Description of Business and Summary of Significant Accounting Policies Description of Business Aeva Technologies, Inc. (the “Company”), through its Frequency Modulated Continuous Wave (“FMCW”) sensing technology, designs a 4D LiDAR-on-chip that, along with its proprietary software applications, has the potential to enable the adoption of LiDAR across broad applications from automated driving to consumer electronics, consumer health, industrial automation and security application. On March 12, 2021 (the “Closing Date”) , Aeva, Inc. consummated a business combination (the “Business Combination”) with InterPrivate Acquisition Corp. (the Company’s predecessor, which was originally incorporated in Delaware as a special purpose acquisition company (“IPV”)) pursuant to the Business Combination Agreement dated as of November 2, 2020 (the “BCA”), by and among IPV, WLLY Merger Sub Corp., a wholly owned subsidiary of IPV, and Aeva, Inc. Immediately upon the consummation of the Business Combination, WLLY Merger Sub Corp. merged with and into Aeva, Inc., with Aeva, Inc. surviving the merger as a wholly owned subsidiary of IPV. IPV changed its name to Aeva Technologies, Inc. and the pre-combination Aeva retained its name of Aeva, Inc. Unless the context otherwise requires, “we,” “us,” “our,” “Aeva,” and the “Company” refers to Aeva Technologies Inc., the combined company and its subsidiaries following the Business Combination. The Company’s common stock and warrants are now listed on the New York Stock Exchange stock market under the symbols “AEVA” and "AEVA.WS". Basis of Presentation The Business Combination is accounted for as a reverse recapitalization as the pre-combination Aeva was determined to be the accounting acquirer under Financial Accounting Standards Board (“FASB”)’s Accounting Standards Codification (“ASC”) Topic 805, Business Combinations (“ASC 805”). The determination is primarily based on the evaluation of the following facts and circumstances: • the equity holders of the pre-combination Aeva hold the majority of voting rights in the Company; • the board of directors of the pre-combination Aeva represent a majority of the members of the board of directors of the Company; • the senior management of the pre-combination Aeva became the senior management of the Company; and • the operations of the pre-combination Aeva comprise the ongoing operations of the Company. In connection with the Business Combination, outstanding capital stock of the pre-combination Aeva was converted into common stock of the Company, par value $ 0.0001 per share, representing a recapitalization, and the net assets of the Company were acquired at historical cost, with no goodwill or intangible assets recorded. The pre-combination Aeva was deemed to be the predecessor of the Company, and the consolidated assets and liabilities and results of operations prior to the Closing Date are those of the pre-combination Aeva. The shares and corresponding capital amounts and net loss per share available to common stockholders, prior to the Business Combination, have been retroactively restated as shares reflecting the exchange ratio established in the BCA. The number of shares of preferred stock was also retroactively converted into commons shares based on the exchange ratio. Unaudited Interim Financial Statements The condensed consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP"). The condensed consolidated financial statements include the accounts of the Company’s wholly-owned subsidiaries. All intercompany transactions and balances have been eliminated upon consolidation. The accompanying condensed consolidated financial statements are unaudited and have been prepared on the same basis as the annual consolidated financial statements and, in the opinion of management, reflect all adjustments, which include only normal recurring adjustments, necessary to present fairly the Company’s financial position, results of operations, comprehensive loss and cash flows for the periods presented, but are not necessarily indicative of the results of operations to be anticipated for any future annual or interim period. Principal of Consolidation and Liquidity The condensed consolidated financial statements are prepared in accordance with U.S. GAAP. The consolidated condensed financial statements include the accounts of the Company’s wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. The Company has funded its operations primarily through the Business Combination and issuances of stock. As of March 31, 2022, the Company’s existing sources of liquidity included cash and cash equivalents and marketable securities of $ 414.5 million. The Company has a limited history of operations and has incurred negative cash flows from operating activities and losses from operations in the past as reflected in the accumulated deficit of $ 196.1 million as of March 31, 2022. The Company expects to continue to incur operating losses due to the investments it intends to make in its business, including product development. Management believes that existing cash and cash equivalents and marketable securities will be sufficient to fund operating and capital expenditure requirements through at least 12 months from the date of issuance of these financial statements. Significant Risks and Uncertainties The Company is subject to those risks common in the technology industry and also those risks common to early-stage companies including, but not limited to, the possibility of not being able to successfully develop or market its products, technological obsolescence, competition, dependence on key personnel and key external alliances, the successful protection of its proprietary technologies, compliance with government regulations, and the possibility of not being able to obtain additional financing when needed. The COVID-19 pandemic has disrupted everyday life and markets worldwide, leading to significant business and supply-chain disruption, as well as broad-based changes in supply and demand. While the quarantine, social distancing and other regulatory measures instituted or recommended in response to COVID-19 are expected to be temporary, the duration of the business disruptions, and related financial impact, cannot be estimated at this time. Nevertheless, COVID-19 presents material uncertainty and risk with respect to the Company, its performance, and its financial results and could adversely affect the Company’s financial information. Concentration of Credit Risk Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash, cash equivalents, marketable securities, and trade receivables. Risks associated with cash and cash equivalents are mitigated by banking with creditworthy institutions and the Company’s marketable securities having investment-grade ratings when purchased. The Company’s accounts receivable are derived from customers located in the United States, Asia, and Europe. The Company mitigates its credit risks by performing ongoing credit evaluations of its customers’ financial conditions and requires customer advance payments in certain circumstances. The Company generally does not require collateral. As of March 31, 2022, four customers accounted for 83 % of the accounts receivable. As of December 31, 2021, one customer accounted for 90 % of accounts receivable. As of March 31, 2022, two vendors accounted for 33 % of accounts payable. As of December 31, 2021, two vendors accounted for 37 % of accounts payable. Use o f Estimates The preparation of financial statements in conformity with U.S. GAAP requires management to make certain estimates, judgments, and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Significant items subject to such estimates and assumptions include professional services revenue, valuation allowance for deferred tax assets, stock-based compensation, useful lives of property and equipment, useful lives of intangible assets, accrued liabilities, incremental borrowing rate for leases, and the valuation of the private warrants. The Company bases its estimates on historical experience and also on assumptions that it believes are reasonable. Actual results could differ from those estimates, and such differences could be material to the Company’s financial condition and results of operations. Fair Value of Financial Instruments The Company’s cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities approximate their fair value due to their short maturities. The Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible. The Company determines the fair value of its financial instruments based on assumptions that market participants would use in pricing an asset or liability in the principal or most advantageous market. When considering market participant assumptions in fair value measurements, the following fair value hierarchy distinguishes between observable and unobservable inputs, which are categorized in one of the following levels: Level 1 – Inputs are unadjusted, quoted prices in active markets for identical assets or liabilities at the measurement date; Level 2 – Inputs are observable, unadjusted quoted prices in active markets for similar assets or liabilities, unadjusted quoted prices for identical or similar assets or liabilities in markets that are not active or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the related assets or liabilities; and Level 3 – Unobservable inputs that are significant to the measurement of the fair value of the assets or liabilities that are supported by little or no market data. Leases The Company adopted Accounting Standards Update (“ASU”) No. 2016-02, Leases (Topic 842) using the modified retrospective approach with a cumulative-effect adjustment as of January 1, 2021. Upon adoption of Topic 842, the Company recorded operating right-of-use assets of $ 1.7 million and operating lease liabilities of $ 1.7 million and derecognized the deferred rent liability of $ 0.1 million. Prior period amounts have not been adjusted and continue to be reported in accordance with the Company’s historical accounting under previous lease guidance, ASC 840: Leases (Topic 840). The lease liability is determined as the present value of future lease payments using an incremental borrowing rate that the Company would have to pay to borrow equivalent funds on a collateralized basis at the lease commencement date. The right-of-use asset is based on the liability adjusted for any prepaid or deferred rent. The lease term at the commencement date is determined by considering whether renewal options and termination options are reasonably assured of exercise. Rent expense for operating leases is recognized on a straight-line basis over the lease term and is included in operating expenses on the condensed consolidated statements of operations and comprehensive loss. Variable lease payments include lease operating expenses. The Company elected to exclude from its balance sheets recognition of leases having a term of 12 months or less (short-term leases) and elected to not separate lease components and non-lease components for its long-term real estate leases. Cash and Cash Equivalent and Marketable Securities The Company considers all highly liquid investments purchased with a remaining maturity of three months or less to be cash equivalents. Marketable securities have been classified as available-for-sale and are carried at estimated fair value as determined based upon quoted market prices or pricing models for similar securities. The Company determines the appropriate classification of its investments at the time of purchase. The Company evaluates, on a quarterly basis, its marketable securities for potential impairment. For marketable securities in an unrealized loss position, the Company assesses whether such declines are due to credit loss based on factors such as changes to the rating of the security by a ratings agency, market conditions and supportable forecasts of economic and market conditions, among others. If credit loss exists, the Company assesses whether it has plans to sell the security or it is more likely than not it will be required to sell any marketable security before recovery of its amortized cost basis. If either condition is met, the security’s amortized cost basis is written down to fair value and is recognized through other income, net. If neither condition is met, declines as a result of credit losses, if any, are recognized as an allowance for credit loss, limited to the amount of unrealized loss, through other income, net. Any portion of the unrealized loss that is not a result of a credit loss, is recognized in other comprehensive loss. Realized gains and losses, if any, on marketable securities are included in other income, net. The cost of investments sold is based on the specific identification method. Interest on marketable securities is included in interest income. Accounts Receivable Accounts receivable are recorded at the invoiced amount and do not bear interest. The Company reviews the need for an allowance for doubtful accounts quarterly based on historical experience with each customer and the specifics of each arrangement. On March 31, 2022, and December 31, 2021, the Company did no t have an allowance for doubtful accounts or write-offs. Inventories Inventories consist of raw materials and supplies, work in process, and finished goods. Inventories are stated at the lower of cost or net realizable value. Costs are computed under the standard cost method, which approximates actual costs determined on a first-in, first-out basis. Net realizable value is determined as estimated selling prices in the ordinary course of business, less reasonably predictable costs of disposal and transportation. The Company assesses inventories quarterly for slow-moving products and potential impairment, and records write-downs of inventories to cost of revenue. Deferred Transaction Costs The Company capitalized qualified legal, accounting, and other direct costs related to the Business Combination which were deferred until completion of the Business Combination. In March 2021, upon the completion of the Business Combination, all deferred costs were offset against the proceeds from the Business Combination and the PIPE financing. Property, Plant, and Equipment Property, plant, and equipment are stated at cost, net of accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of the respective assets. Assets are held as construction in progress until placed into service, upon which date the Company begins to depreciate the assets over their estimated useful lives. The estimated useful lives of the Company’s assets are as follows: Estimated useful lives Computer equipment 3 years Lab equipment 5 years Manufacturing equipment 4 years Testing equipment 3 years Leasehold improvements Lesser of estimated useful life or Furniture and fixtures 5 years Expenditures for repairs and maintenance are charged to expense as incurred. When an asset is sold or otherwise disposed of, the cost and associated accumulated depreciation are removed from the accounts and the resulting gain or loss is recognized in the statement of operations . Impairment of Long-Lived Assets Long-lived assets, such as property and equipment and other long-term assets, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If circumstances require a long-lived asset or asset group to be tested for possible impairment, the Company first compares undiscounted cash flows expected to be generated by that asset or asset group to its carrying amount. If the carrying amount of the long-lived asset or asset group is not recoverable on an undiscounted cash flow basis, an impairment is recognized to the extent the carrying amount of the underlying asset exceeds its fair value. Product Warranty The Company typically provides a warranty on its products of one year or less. Estimated future warranty costs are accrued to cost of revenue in the period in which the related revenue is recognized. These estimates are based on historical warranty experience and any known or expected changes in warranty exposure, such as trends of product reliability and costs of repairing and replacing defective products. The Company periodically assesses the adequacy of its recorded warranty liabilities and adjusts the amounts as necessary. Provision for product warranties was immaterial for all periods presented. Revenue Recognition The Company adopted ASU No. 2014-09, Revenue from Contracts with Customers, and the related amendments (“Topic 606”) effective January 1, 2017, using the full retrospective method. Under Topic 606, the Company determines revenue recognition through the following steps: • Identifying the contract, or contracts, with the customer; • Identifying the performance obligations in the contract; • Determining the transaction price; • Allocating the transaction price to performance obligations in the contract; and • Recognizing revenue when, or as, the Company satisfies performance obligations by transferring the promised good or services. Nature of Products and Services and Revenue Recognition The Company’s revenue is derived from the sales of perception solution to direct customers and distributors. Revenue is recognized at a point in time when control of the goods is transferred to the customer, generally occurring upon shipment or delivery dependent upon the terms of the underlying contract. The Company typically provides a warranty of less than a year on its products. If the warranty period is sold or extended beyond the standard term, revenue related to the extended warranty is recognized ratably over the related extended warranty period. For certain custom products that require engineering and development based on customer specifications, the Company recognizes revenue over time using a cost-to-cost measure of progress which the Company believes faithfully depicts the transfer of control of the goods or services to the customer. Amounts billed to customers for shipping and handling are included in revenue. Some of the Company’s arrangements provide software embedded in hardware, and promises to update the Company’s software represent immaterial promises in contracts with customers. Taxes collected from customers and remitted to governmental authorities are excluded from revenue. Arrangements with Multiple Performance Obligations When a contract involves multiple performance obligations, the Company accounts for individual products and services separately if the customer can benefit from the product or service on its own or with other resources that are readily available to the customer and the product or service is separately identifiable from other promises in the contract. The consideration is allocated between separate performance obligations in proportion to their estimated standalone selling price. Other Policies, Judgments and Practical Expedients Right of return. The Company’s general terms and conditions for its contracts contain rights of return. However, the Company does not have a history of returns and therefore estimates of returns are immaterial. As such, the Company generally recognizes revenue at the contract price upon product shipment or delivery. Contract balances. Contract assets and liabilities represent the differences in the timing of revenue recognition from the receipt of cash from the Company’s customers and billings. Contract assets reflect revenue recognized and performance obligations satisfied in advance of customer billing. Contract liabilities relate to payments received in advance of the satisfaction of performance under the contract. Receivables represents the right to consideration that is unconditional. Such rights are considered unconditional if only the passage of time is required before payment of that consideration is due. Remaining performance obligations. Revenue allocated to remaining performance obligations represents the transaction price allocated to the performance obligations that are unsatisfied or partially unsatisfied. It includes unearned revenue and amounts that will be invoiced and recognized as revenue in future periods and does not include contracts where the customer is not committed. The customer is not considered committed where they can terminate for convenience without payment of a substantive penalty under the contract. Additionally, as a practical expedient, the Company has not disclosed the value of unsatisfied performance obligations for contracts with an original expected length of one year or less. Because the majority of the Company’s customer contracts allow customers to terminate for convenience or have an original duration of one year or less, the total amount of the transaction price allocated to unsatisfied performance obligations with a duration of more than 12 months was immaterial as of March 31, 2022 and December 31, 2021. Significant financing component. In certain arrangements, the Company receives payment from a customer either before or after the performance obligation has been satisfied. However, the Company’s contracts are generally one year or less; therefore, the Company applies a practical expedient and does not consider the effects of the time value of money. Contract modifications. The Company may modify contracts to offer customers additional products or services. Each of the additional products and services are generally considered distinct from those products or services transferred to the customer before the modification. The Company evaluates whether the contract price for the additional products and services reflects the standalone selling price as adjusted for facts and circumstances applicable to that contract. In these cases, the Company accounts for the additional products or services as a separate contract. In other cases where the pricing in the modification does not reflect the standalone selling price as adjusted for facts and circumstances applicable to that contract, the Company accounts for the modification on a prospective basis where the remaining goods and services are distinct from the original items and on a cumulative catch-up basis when the remaining goods and services are not distinct from the original items. Judgments and estimates. Judgement is required in the identification of performance obligations within the Company’s contracts with customers, especially those for certain custom products that require engineering and development. Accounting for contracts recognized over time under Topic 606 involves the use of various techniques to estimate total contract revenue and costs. Due to uncertainties inherent in the estimation process, estimates of costs to complete a performance obligation may be revised. The Company reviews and updates its contract-related estimates regularly, and records adjustments as needed. For those performance obligations for which revenue is recognized using a cost-to-cost method, changes in total estimated costs, and related progress towards complete satisfaction of the performance obligation, are recognized on a cumulative catch-up basis in the period in which the revisions to the estimates are made. Cost of Revenue The cost of revenue principally includes direct material, direct labor, and allocation of overhead associated with manufacturing operations, including inbound freight charges and depreciation. Cost of revenue also includes the direct cost and appropriate allocation of overhead costs involved in the execution of service contracts. Research and Development Research and development expenses consist primarily of payroll expenses, consulting and contractor expenses, allocated overhead costs, and tooling and prototype materials to the extent no future benefit is expected. Substantially all of the Company’s research and development expenses are related to developing new products and services and improving existing products and services. To date, research and development expenses have been expensed as incurred and included in the statements of operations. Stock-based Compensation The Company measures the cost of share-based awards granted to employees and directors based on the grant-date fair value of the awards. The grant-date fair value of the stock options is calculated using a Black-Scholes option pricing model. The Black-Scholes pricing model requires the use of subjective assumptions including the option’s expected term, the volatility of the underlying stock, the fair value of the stock, dividend yield rate and the risk-free rate. The fair value of the performance based restricted stock units (the “PBRSUs”) and restricted stock units (the “RSUs”) is equal to the closing price of the Company’s common stock on the grant date. The fair value of the stock-based grants except for PBRSUs is recognized on a straight-line basis over the requisite service period, which is generally the vesting period of the award. The fair value of PBRSUs is recognized using the graded-vesting attribution method over the requisite service period. Income Taxes Income taxes are accounted under the asset and liability method, which requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements. Under this method, deferred tax assets and liabilities are determined on the differences between the financial statement and tax bases of assets and liabilities by using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. The Company recognizes deferred tax assets to the extent that these assets are more likely than not to be realized. In making such a determination, all available positive and negative evidence is considered, including future reversals of existing taxable temporary differences, projected future taxable income, tax-planning strategies, and results of recent operations. If it is determined that deferred tax assets would be realized in the future, in excess of their net recorded amount, an adjustment would be made to the deferred tax asset valuation allowance, which would reduce the provision for income taxes. The Company records uncertain tax positions in accordance with Topic 740: Simplifying the Accounting for Income Taxes (“Topic 740”) on the basis of a two-step process which includes (1) determination of whether it is more likely than not that the tax positions will be sustained on the basis of the technical merits of the position, and (2) recognition of tax positions that meet the more-likely-than-not recognition threshold. Recognized income tax positions are measured at the largest amount of tax benefit that is more than 50 percent likely to be realized upon ultimate settlement with the related tax authority. The Company recognizes interest and penalties related to unrecognized tax benefits on the income tax expense line in the accompanying statement of operations. Accrued interest and penalties are included on the related tax liability line in the balance sheet. Commitments and Contingencies Liabilities for loss contingencies arising from claims, assessments, litigation, fines, and penalties and other sources are recorded when it is probable that a liability has been incurred and the amount within a range of loss can be reasonably estimated. When no amount within the range is a better estimate than any other amount, the Company accrues for the minimum amount within the range. Legal costs incurred in connection with loss contingencies are expensed as incurred. Foreign Currency Translation Gains and losses resulting from foreign exchange transactions and revaluation of monetary assets and liabilities in non-functional currencies are included in other income (expense) in the statements of operations. Net foreign exchange gain (loss) recorded in the Company’s statements of operations was immaterial for all periods. Net Loss Attributable Per Share to Common Stockholders Basic net loss per share attributable to common stockholders is computed by dividing the Company’s net loss attributable per share to common stockholders by the weighted-average number of common shares used in the loss per share calculation during the period. Diluted net loss per share attributable to common stockholders is computed by giving effect to all potentially dilutive securities, including stock options and convertible preferred shares. Basic and diluted net loss per share attributable to common stockholders was the same for all periods presented as the inclusion of all potentially dilutive securities outstanding was anti-dilutive. Warrant Liabilities The Company accounts for the private placement warrants issued in connection with our initial public offering in accordance with the guidance contained in ASC 815-40 under which the warrants do not meet the criteria for equity treatment and must be recorded as liabilities. Accordingly, the Company classifies the private placement warrants as liabilities at their fair value and adjusts the warrants to fair value at each reporting period. This liability is subject to re-measurement at each balance sheet date until the warrants are exercised, and any change in fair value is recognized in the statement of operations. The Company utilizes the Black-Scholes option pricing model to value the warrants at each reporting period. The key assumptions in the option pricing model utilized include the following: • The expected share-price volatility assumption is based on a blend of the implied volatilities of the Company’s public warrants and a set of comparable publicly traded warrants for other similar companies. • The expected term of the warrants is assumed to be the expected period until the close of a Business Combination, and the contractual five-year term subsequently. • The risk-free interest rate is based on the U.S. Treasury rate for the applicable expected terms. • The dividend yield is based on the historical rate, which the Company anticipates to remain at zero . Intangible Assets Intangible assets, consists of purchased patents that are stated at cost less accumulated amortization. Intangible assets have been determined to have finite lives and are amortized on a straight-line basis over their estimated remaining economic lives, which is estimated at five years. Amortization expense is included in general and administrative expenses . Recent Accounting Pronouncements In October 2021, the FASB issued Accounting Standards Update No. 2021-08, “Business Combinations (Topic 805), Accounting for Contract Assets and Contract Liabilities from Contracts with Customers” (“ASU 2021-08”), which requires contract assets and contract liabilities acquired in a business combination to be recognized and measured in accordance with ASC 606, Revenue from Contracts with Customers. ASU 2021-08 is effective for interim and annual periods beginning after December 15, 2022 on a prospective basis, with early adoption permitted. The Company is currently evaluating the potential impact of ASU 2021-08 to its consolidated financial statements. Recently Adopted Accounting Guidance In June 2016, the FASB issued ASU No. 2016-13, , which amends the incurred loss impairment methodology in current GAAP with a methodology requires measurement and recognition of expected credit losses for most financial assets and certain other instruments, including but not limited to available-for-sale debt securities. Credit losses relating to available-for-sale debt securities will be recorded through an allowance for credit losses rather than as a direct write-down to the security. ASU 2016-13 is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2019, and requires a cumulative effect adjustment to the balance s

Reverse Capitalization

Reverse Capitalization	3 Months Ended
	Mar. 31, 2022
Business Combinations [Abstract]
Reverse Capitalization	Note 2. Reverse Capitalization On March 12, 2021 , Aeva, Inc. and IPV consummated the merger contemplated by the BCA, with Aeva, Inc. surviving the merger as a wholly-owned subsidiary of IPV. As part of the consummation of the merger, IPV changed its name to Aeva Technologies, Inc. Upon the closing of the Business Combination, the Company's certificate of incorporation was amended and restated to, among other things, increase the total number of authorized shares of capital stock to 432,000,000 shares, of which 422,000,000 shares were designated common stock, $ 0.0001 par value per share, and of which 10,000,000 shares were designated preferred stock, $ 0.0001 par value per share. Immediately prior to the closing of the Business Combination, each issued and outstanding share of Aeva, Inc.’s redeemable, convertible preferred stock, was converted into shares of common stock based on a one-to-one ratio (see Note 10). The Business Combination is accounted for with a retrospective application of the Business Combination that results in 78,120,214 shares of redeemable convertible preferred stock converting into the same number of shares of Aeva, Inc. common stock. Upon the consummation of the Business Combination, each share of Aeva, Inc. common stock issued and outstanding was canceled and converted into the right to receive 9.07659 shares (the “Exchange Ratio”) of the Company’s common stock (the “Per Share Merger Consideration”). Outstanding stock options, whether vested or unvested, to purchase shares of Aeva, Inc. common stock granted under the 2016 Plan (“Legacy Options”) (see Note 12) converted into stock options for shares of the Company’s common stock upon the same terms and conditions that were in effect with respect to such stock options immediately prior to the Business Combination, after giving effect to the Exchange Ratio. Outstanding warrants to purchase shares of common stock remained outstanding after the closing of the Business Combination. The warrants became exercisable 30 days after the completion of the Business Combination, subject to other conditions, including with respect to the effectiveness of a registration statement covering the shares of common stock underlying such warrants, and will expire five years after the completion of the Business Combination or earlier upon redemption or liquidation. In connection with the Business Combination, • certain IPV stockholders exercised their right to redeem certain of their outstanding shares for cash, resulting in the redemption of 30,874 shares of IPV common stock for gross redemption payments of $ 0.3 million; and • a number of investors purchased from the Company an aggregate of 28,318,478 shares of common stock (the “PIPE Shares”), for a purchase price of $ 10.00 per share, $ 11.50 per share or $ 16.00 per share, as applicable, for an aggregate purchase price of $ 320.0 million pursuant to separate subscription agreements (the “PIPE”). The PIPE investment closed simultaneously with the consummation of the Business Combination. In connection with the Business Combination, the Company incurred direct and incremental costs of approximately $ 47.7 million related to the equity issuance, consisting primarily of investment banking, legal, accounting and other professional fees, which were recorded to additional paid-in capital as a reduction of proceeds. The Business Combination is accounted for as a reverse recapitalization in accordance with U.S. GAAP. Under this method of accounting, IPV was treated as the “acquired” company for financial reporting purposes. See Note 1 "Description of Business and Summary of Significant Accounting Policies" for further details. Accordingly, for accounting purposes, the Business Combination was treated as the equivalent of Aeva, Inc. issuing stock for the net assets of IPV, accompanied by a recapitalization. The net assets of IPV are stated at historical cost, with no goodwill or intangible assets recorded. Prior to the Business Combination, Aeva, Inc., and IPV filed separate standalone federal, state and local income tax returns. As a result of the Business Combination Aeva, Inc. will file a consolidated income tax return. Although, for legal purposes, IPV acquired Aeva, Inc., and the transaction represents a reverse acquisition for federal income tax purposes. IPV will be the parent of the consolidated group with Aeva, Inc. as a subsidiary, but in the year of the closing of the Business Combination, Aeva, Inc. will file a full-year tax return with IPV joining in the return the day after the Closing Date. Upon closing of the Business Combination, the Company received gross proceeds of $ 560.8 million from the Business Combination and PIPE financing, offset by offerings costs of $ 47.7 million. The following table reconciles the elements of the Business Combination to the consolidated statements of cash flows and the consolidated statement of changes in stockholders’ equity (in thousands): Cash - InterPrivate’s trust and cash (net of redemption) $ 240,777 Cash - Private offering 320,000 Less: transaction costs and advisory fees paid ( 47,708 ) Net Business Combination and Private Offering $ 513,069 The number of shares of common stock issued immediately following the consummation of the Business Combination were: Common stock, outstanding prior to Business Combination 24,150,000 Less: redemption of IPV shares ( 30,874 ) Common stock of IPV Corp 24,119,126 IPV founder shares 6,905,500 Shares issued in PIPE 28,318,478 Business Combination and PIPE shares 59,343,104 Legacy Aeva shares (1) 152,066,648 Total shares of common stock immediately after Business Combination 211,409,752 Aeva exercise of warrants — Total shares of common stock at March 12, 2021 211,409,752 (1) The number of Legacy Aeva shares was determined as follows: Aeva shares Aeva shares, Balance at December 31, 2019 8,031,018 72,894,258 Recapitalization applied to Convertible Preferred Stock outstanding at December 31, 2019 8,606,780 78,120,214 Exercise of common stock options - 2020 38,675 351,037 Exercise of common stock options - 2021 (pre-Closing) 77,247 701,139 Total 152,066,648

Revenue

Revenue	3 Months Ended
	Mar. 31, 2022
Revenue from Contract with Customer [Abstract]
Revenue	Note 3. Revenue Disaggregation of Revenues The Company disaggregates its revenue from contracts with customers by geographic region based on the primary billing address of the customer and timing of transfer of goods or services to customers (point-in-time or over time), as it believes it best depicts how the nature, amount, timing and uncertainty of its revenue and cash flows are affected by economic factors. Total revenue for the three months ended March 31, 2022 and 2021, based on the disaggregation criteria described above are as follows (in thousands): Three Months Ended March 31, 2022 2021 Revenue % of Revenue Revenue % of Revenue Revenue by primary geographical market: North America $ 1,111 98 % $ 201 65 % Europe 26 2 % 15 5 % Asia — 0 % 92 30 % Total $ 1,137 100 % $ 308 100 % Revenue by timing of recognition: Recognized at a point in time $ 211 19 % $ 293 95 % Recognized over time 926 81 % 15 5 % Total $ 1,137 100 % $ 308 100 % For the three months March 31, 2022, one customer accounted for 81 % of the Company’s revenue. For the three months ended March 31, 2021, five customers accounted for 30 %, 29 %, 12 %, 12 %, and 11 %, respectively, of the Company’s revenue. Contract Assets and Contract Liabilities As of March 31, 2022, and December 31, 2021, the Company had contract assets of $ 5.0 million and $ 4.1 million, recognized in other current assets. The Company had no contract liability, as of March 31, 2022 and December 31, 2021.

Financial Instruments

Financial Instruments	3 Months Ended
	Mar. 31, 2022
Fair Value Disclosures [Abstract]
Financial Instruments	Note 4. Financial Instruments The following tables summarize the Company’s financial assets and liabilities measured at fair value by level within the fair value hierarchy: March 31, 2022 Adjusted Cost Unrealized Losses Fair Value Cash and Cash Equivalent Marketable Securities (in thousands) Assets Cash $ 10,496 $ — $ 10,496 $ 10,496 $ — Level 1 Money market funds 21,031 — 21,031 21,031 — Level 2 U.S. Government securities 51,475 ( 838 ) 50,637 — 50,637 U.S. Treasury securities 67,968 ( 58 ) 67,910 25,983 41,927 Commercial paper 98,197 ( 200 ) 97,997 4,989 93,008 Corporate bonds 167,292 ( 1,882 ) 165,410 — 165,410 Municipal securities 1,007 ( 1 ) 1,006 — 1,006 Subtotal 385,939 ( 2,979 ) 382,960 30,972 351,988 Total assets $ 417,466 $ ( 2,979 ) $ 414,487 $ 62,499 $ 351,988 Liabilities Level 3 Warrant liabilities 426 — 426 — — Total liabilities $ 426 $ — $ 426 $ — $ — December 31, 2021 Adjusted Cost Unrealized Losses Fair Value Cash and Cash Equivalent Marketable Securities (in thousands) Assets Cash $ 2,765 $ — $ 2,765 $ 2,765 $ — Level 1 Money market funds 38,045 — 38,045 38,045 — Level 2 U.S. Government securities 45,982 ( 66 ) 45,916 — 45,916 U.S. Treasury securities 80,500 ( 7 ) 80,493 26,000 54,493 Commercial paper 94,887 ( 15 ) 94,872 — 94,872 Corporate bonds 182,338 ( 435 ) 181,903 — 181,903 Municipal securities 1,017 ( 1 ) 1,016 — 1,016 Subtotal 404,724 ( 524 ) 404,200 26,000 378,200 Total assets $ 445,534 $ ( 524 ) $ 445,010 $ 66,810 $ 378,200 Liabilities Level 3 Warrant liabilities 1,060 — 1,060 — — Total liabilities $ 1,060 $ — $ 1,060 $ — $ — The fair value of the private placement warrant liabilities is based on significant unobservable inputs, which represent Level 3 measurements within the fair value hierarchy. In determining the fair value of the warrant liabilities, the Company used the Black-Scholes option-pricing model to estimate the fair value using unobservable inputs including the expected term, expected volatility, risk-free interest rate, and dividend yield. The following table presents a summary of the changes in the fair value of the Company’s Level 3 financial instruments (in thousand): March 31, 2022 December 31, 2021 Fair value, beginning balance $ 1,060 $ — Private placement warrant liability acquired as part of the merger — 3,014 Change in the fair value included in other income (expense), net ( 634 ) ( 1,954 ) Fair value, closing balance $ 426 $ 1,060 The key inputs into the Black-Scholes option pricing model for the private warrants were as follows for the relevant periods: March 31, 2022 December 31, 2021 Expected term (years) 4.0 4.2 Expected volatility 64.2 % 60.3 % Risk-free interest rate 2.42 % 1.14 % Dividend yield 0 % 0 % Exercise Price $ 11.50 $ 11.50

Acquisition and Intangible Asse

Acquisition and Intangible Assets	3 Months Ended
	Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Acquisition and Intangible Assets	Note 5. Acquisition and Intangible Assets On November 23, 2021, the Company entered into an agreement to purchas ed certain intellectual property for a total consideration of approximately $ 4.5 million in cash. The assets acquired primarily consists of intellectual property (patents). The Company applied a screen test to evaluate if substantially all of the fair value of the gross assets acquired is concentrated in a single identifiable asset or group of similar identifiable assets and determine the transaction should be accounted for as an asset acquisition. Since the only substantive assets acquired was intellectual property the entire purchase price was allocated to the intellectual property. The acquired intellectual property has a weighted-average useful life of 5 years. The Company recorded amortization expense related to the acquired intangible assets of $ 0.2 million, for the three months ended March 31, 2022. As of March 31, 2022, expected amortization expense relating to purchased intangible assets for each of the next five years and thereafter was as follows (in thousands): Remainder of 2022 $ 675 2023 900 2024 900 2025 900 2026 825 Total future amortization $ 4,200

Inventories

Inventories	3 Months Ended
	Mar. 31, 2022
Inventory Disclosure [Abstract]
Inventories	Note 6. Inventories Inventories consist of the following (in thousands): March 31, December 31, 2022 2021 Raw materials $ 1,578 $ 1,668 Work-in-progress — 116 Finished goods $ 348 279 Total inventories $ 1,926 $ 2,063

Property, Plant and Equipment

Property, Plant and Equipment	3 Months Ended
	Mar. 31, 2022
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment	Note 7. Property, Plant and Equipment Property, plant and equipment consists of the following (in thousands): March 31, December 31, 2022 2021 Computer equipment $ 1,807 $ 1,572 Lab equipment 3,084 2,760 Leasehold improvements 2,497 1,330 Construction in progress 1,414 980 Testing equipment 602 521 Manufacturing equipment 667 374 Furniture, fixtures and other equipment 453 439 Total property, plant and equipment $ 10,524 $ 7,976 Less: accumulated depreciation $ ( 3,245 ) ( 2,840 ) Total property, plant and equipment, net $ 7,279 $ 5,136 Depreciation related to property, plant, and equipment wa s $ 0.4 mil lion and $ 0.2 million for the three months ended March 31, 2022, and March 31, 2021, respectively.

Other Current Assets

Other Current Assets	3 Months Ended
	Mar. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other Current Assets	Note 8. Other current assets Other current assets consist of the following (in thousands): March 31, December 31, 2022 2021 Prepaid expenses $ 2,251 $ 2,819 Contract assets 4,994 4,069 Vendor deposits 536 1,057 Other current assets 886 1,125 Total other current assets $ 8,667 $ 9,070

Other Current Liabilities

Other Current Liabilities	3 Months Ended
	Mar. 31, 2022
Other Liabilities, Current [Abstract]
Other Current Liabilities	Note 9. Other current liabilities Other current liabilities consist of the following (in thousands): March 31, December 31, 2022 2021 Sales tax payable $ 67 $ 551 Other current liabilities $ 167 182 Total other current liabilities $ 234 $ 733

Capital Structure

Capital Structure	3 Months Ended
	Mar. 31, 2022
Equity [Abstract]
Capital Structure	Note 10. Capital Structure As of March 31, 2022, the Company had authorized a total of 432,000,000 shares for issuance, with 422,000,000 shares designated as common stock and 10,000,000 shares designated as preferred stock. As discussed in Note 2, Business Combination , the Company has retroactively adjusted the shares issued and outstanding prior to March 12, 2021 to give effect to the exchange ratio established in the BCA to determine the number of shares of common stock into which they were converted. Prior to the Business Combination, Aeva had shares of $ 0.001 par value Series Seed, Series A, Series A-1, and Series B preferred stock outstanding, all of which were convertible into shares of common stock of the pre-combination Aeva on a 1:1 basis , subject to certain anti-dilution protections. Upon the Closing, the outstanding shares of preferred stock were converted into common stock of Aeva, Inc., and then into common stock of the Company at a ratio of 1: 9.07659 , the exchange rate established in the BCA. March 12, 2021 (Closing Date) Preferred Stock Shares Exchange Ratio Common Stock Shares Series Seed Convertible Preferred Stock (pre-combination) 3,198,556 9.07659 29,031,982 Series A Convertible Preferred Stock (pre-combination) 2,851,057 9.07659 25,877,876 Series B Convertible Preferred Stock (pre-combination) 1,032,888 9.07659 9,375,100 Series B-1 Convertible Preferred Stock (pre-combination) 1,524,279 9.07659 13,835,256 Total 8,606,780 78,120,214 Preferred Stock The Company is authorized to issue up to 10,000,000 shares of preferred stock, each with a par value of $ 0.0001 per share. As of March 31, 2022 and December 31, 2021, no shares of preferred stock were issued and outstanding. Warrants As of March 31, 2022, the Company had 12,074,880 public and 384,000 private warrants outstanding. Each warrant entitles the registered holder to purchase one share of common stock at a price of $ 11.50 per share.

Earnings (Loss) Per Share

Earnings (Loss) Per Share	3 Months Ended
	Mar. 31, 2022
Earnings Per Share [Abstract]
Earnings (Loss) Per Share	Note 11. Earnings Loss Per Share The following table sets forth the computation of the basic and diluted net loss per share attributable to common stockholders for the periods presented (in thousands, except per share data): Three Months Ended March 31, 2022 2021 Numerator: Net Loss $ ( 33,157 ) $ ( 19,458 ) Net loss attributable per share to common stockholders ( 33,157 ) ( 19,458 ) Denominator: Weighted average shares of common stock outstanding — Basic 216,017,186 163,955,593 Dilutive effect of potential common stock — — Weighted average shares of common stock outstanding — Diluted 216,017,186 163,955,593 Net loss per share attributable to common stockholders — Basic and Diluted $ ( 0.15 ) $ ( 0.12 ) The following table presents the potential common shares outstanding that were excluded from the computation of diluted net loss per share of common stock as of the periods presented because including them would have been anti-dilutive: Three Months Ended March 31, 2022 2021 Common stock options issued and outstanding 12,787,299 17,073,617 Restricted stock units 6,829,309 1,435,217 Total 19,616,608 18,508,834

Stock-based Compensation

Stock-based Compensation	3 Months Ended
	Mar. 31, 2022
Share-based Payment Arrangement [Abstract]
Stock-based Compensation	Note 12. Stock-based Compensation Stock Options The Company maintains the 2016 Stock Incentive Plan and the 2021 Incentive Award Plan (the “Stock Plans”) under which incentive stock options, non-qualified stock options and RSUs may be granted to employees. Under the Stock Plans, the Company has 8,427,947 shares available for issuance as of March 31, 2022. Under the terms of the Stock Plans, incentive stock options must have an exercise price at or above the fair market value of the stock on the date of the grant, while non-qualified stock options are permitted to be granted below fair market value of the stock on the date of grant. The majority of stock options granted have service-based vesting conditions only. The service-based vesting conditions vary though typically, stock options vest over four years with 25 % of stock options vesting on the first anniversary of the grant and the remaining 75 % vesting monthly over the remaining 36 months. Option holders have a ten-year period to exercise the options before they expire. A summary of the Company’s stock option activity for three months ended March 31, 2022, is as follows: Number of Weighted- Weighted- Aggregate Outstanding as of December 31, 2021 13,858,356 $ 0.39 7.47 $ 99,406 Exercised ( 1,029,266 ) 0.18 — — Forfeited ( 41,791 ) 0.46 — — Outstanding as of March 31, 2022 12,787,299 0.40 7.27 50,210 Vested and exercisable as of March 31, 2022 9,203,992 0.36 7.10 36,580 Vested and expected to vest as of March 31, 2022 12,787,299 0.40 7.27 50,210 There were no options granted during the three months ended March 31, 2022. As of March 31, 2022, the Company had $ 4.4 million of unrecognized stock-based compensation expense related to the stock options. This cost is expected to be recognized over a weighted-average period of 1.7 years. Restricted Stock Units and Performance-based Restricted Stock Units Beginning November 2020, the Company granted RSUs and PBRSUs to certain employees and consultants pursuant to the 2016 and 2020 Stock Plan. RSU’s expire in 10 years from the date of grant and typically vest 25 percent upon the one-year anniversary date from the initial vesting date, with 12.5 % vesting on each six-month anniversary date over the following three years . The RSUs are subject to a time-based vesting condition and a performance condition tied to the completion of the merger with InterPrivate, both of which must be satisfied in order for the RSUs to be vested and settled for shares of Common Stock. The performance vesting condition for these RSU were met on March 12, 2021. As a result, the Company’s outstanding RSUs vested to the extent the applicable service condition was satisfied as of such date. The vesting of these outstanding RSUs resulted in approximately $ 2.7 million of incremental stock-based compensation expense for the three months ended March 31, 2021. The following table summarizes our RSU activity which includes performance-based RSUs for the three months ended March 31, 2022: Shares Weighted Average Outstanding as of December 31, 2021 6,631,079 $ 10.04 Granted 980,697 4.82 Released ( 671,621 ) 10.11 Forfeited ( 110,846 ) 10.86 Outstanding as of March 31, 2022 6,829,309 $ 9.27 As of March 31, 2022, the Company had $ 53.6 million of unrecognized stock-based compensation expense related to the RSUs. This cost is expected to be recognized over a weighted-average period of 2.9 years. Compensation expense Total stock-based compensation expense by function was as follows (in thousands): Three Months Ended March 31, 2022 2021 Cost of revenue $ 136 $ — Research and development expenses 4,323 1,796 General and administrative expenses 1,229 2,696 Sales and marketing expenses 96 21 Total $ 5,784 $ 4,513

Income Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Income Taxes	Note 13. Income Taxes Components of Income Before Taxes For financial reporting purposes, income before income taxes includes the following components (in thousand): Three Months Ended March 31, 2022 2021 Domestic $ ( 33,157 ) $ ( 19,458 ) Foreign — — Loss before income taxes $ ( 33,157 ) $ ( 19,458 ) There has historically been no federal or state provision for income taxes because the Company has historically incurred operating losses and maintains a full valuation allowance against its net deferred tax assets. For the three months ended March 31, 2022 and 2021, the Company recognized no provision for income taxes. The federal and state net operating loss carryforwards may be subject to significant limitations under Section 382 and Section 383 of the Internal Revenue Code of 1986, as amended, and similar provisions under state law. The Tax Reform Act of 1986 contains provisions that limit the federal net operating loss carryforwards that may be used in any given year in the event of special occurrences, including significant ownership changes. The Company has completed an analysis as of December 31, 2021 and doesn’t expect any net operating loss carryforwards or tax credit carryforwards to expire due to a limitation.

Commitments and Contingencies

Commitments and Contingencies	3 Months Ended
	Mar. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Note 14. Commitments and Contingencies Leases The weighted average incremental borrowing rate used to measure the operating lease liability is 5.25 %. Operating lease cost for three months ended March 31, 2022 and 2021, was $ 0.8 million and $ 0.3 million, respectively. Short-term costs for the three months ended March 31, 2022 and 2021, were $ 29 thousand and $ 16 thousand, respectively. The variable lease costs for the three months ended March 31, 2022 and 2021, were $ 126 thousand, and $ 25 thousand, respectively. The following is a maturity analysis of the annual undiscounted cash flows reconciled to the carrying value of the operating lease liabilities as of March 31, 2022 (in thousands): Operating Leases Remainder of 2022 $ 2,507 2023 2,977 2024 2,748 2025 1,969 2026 290 Total minimum lease payments 10,491 Less: imputed interest ( 860 ) Total lease liability $ 9,631 Non-cancelable purchase commitments As of March 31, 2022, the Company had non-cancelable purchase commitments of approximately $ 0.7 million. Litigation From time to time, the Company is involved in actions, claims, suits, and other proceedings in the ordinary course of business, including assertions by third parties relating to intellectual property infringement, breaches of contract or warranties, or employment-related matters. When it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated, the Company records a liability for such loss contingencies. The Company’s estimates regarding potential losses and materiality are based on the Company’s judgment and assessment of the claims utilizing currently available information. Although the Company will continue to reassess its reserves and estimates based on future developments, the Company’s objective assessment of the legal merits of such claims may not always be predictive of the outcome and actual results may vary from the Company’s current estimates. Indemnifications In the ordinary course of business, the Company is not subject to potential obligations under guarantees that fall within the scope of FASB ASC Guarantees, (Topic 460), except for standard indemnification provisions that are contained within many of the Company’s customer agreements and give rise only to disclosure requirements prescribed by Topic 460. Indemnification provisions contained within the Company’s customer agreements are generally consistent with those prevalent in the Company’s industry. The Company has not incurred any obligations under customer indemnification provisions and does not expect to incur significant obligations in the future. Accordingly, the Company does not maintain accruals for potential customer indemnification obligations.

Segment Information

Segment Information	3 Months Ended
	Mar. 31, 2022
Segment Reporting [Abstract]
Segment Information	Note 15. Segment Information The Company operates as one operating segment. Operating segments are defined as components of an enterprise for which separate financial information is evaluated regularly by the chief operating decision-maker (“CODM”), consisting of the Company’s chief executive officer and the Company’s chief technology officer as a group, in deciding how to allocate resources and assess the Company’s financial and operational performance. In addition, the Company’s CODM evaluates the Company’s financial information and resources and assesses the performance of these resources on a consolidated basis. As a result, the Company has determined that the Company’s business operates in a single operating segment. Since the Company operates as one operating segment, all required financial segment information can be found in the financial statements. Long-Lived Assets The following table set s forth the Company’s property and equipment, net by geographic region (in thousand): March 31, December 31, 2022 2021 (in thousands) United States $ 6,722 $ 4,676 Thailand 459 351 Germany 98 109 Total $ 7,279 $ 5,136

Description of Business and S_2

Description of Business and Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2022
Accounting Policies [Abstract]
Description of Business	Description of Business Aeva Technologies, Inc. (the “Company”), through its Frequency Modulated Continuous Wave (“FMCW”) sensing technology, designs a 4D LiDAR-on-chip that, along with its proprietary software applications, has the potential to enable the adoption of LiDAR across broad applications from automated driving to consumer electronics, consumer health, industrial automation and security application. On March 12, 2021 (the “Closing Date”) , Aeva, Inc. consummated a business combination (the “Business Combination”) with InterPrivate Acquisition Corp. (the Company’s predecessor, which was originally incorporated in Delaware as a special purpose acquisition company (“IPV”)) pursuant to the Business Combination Agreement dated as of November 2, 2020 (the “BCA”), by and among IPV, WLLY Merger Sub Corp., a wholly owned subsidiary of IPV, and Aeva, Inc. Immediately upon the consummation of the Business Combination, WLLY Merger Sub Corp. merged with and into Aeva, Inc., with Aeva, Inc. surviving the merger as a wholly owned subsidiary of IPV. IPV changed its name to Aeva Technologies, Inc. and the pre-combination Aeva retained its name of Aeva, Inc. Unless the context otherwise requires, “we,” “us,” “our,” “Aeva,” and the “Company” refers to Aeva Technologies Inc., the combined company and its subsidiaries following the Business Combination. The Company’s common stock and warrants are now listed on the New York Stock Exchange stock market under the symbols “AEVA” and "AEVA.WS".
Basis of Presentation	Basis of Presentation The Business Combination is accounted for as a reverse recapitalization as the pre-combination Aeva was determined to be the accounting acquirer under Financial Accounting Standards Board (“FASB”)’s Accounting Standards Codification (“ASC”) Topic 805, Business Combinations (“ASC 805”). The determination is primarily based on the evaluation of the following facts and circumstances: • the equity holders of the pre-combination Aeva hold the majority of voting rights in the Company; • the board of directors of the pre-combination Aeva represent a majority of the members of the board of directors of the Company; • the senior management of the pre-combination Aeva became the senior management of the Company; and • the operations of the pre-combination Aeva comprise the ongoing operations of the Company. In connection with the Business Combination, outstanding capital stock of the pre-combination Aeva was converted into common stock of the Company, par value $ 0.0001 per share, representing a recapitalization, and the net assets of the Company were acquired at historical cost, with no goodwill or intangible assets recorded. The pre-combination Aeva was deemed to be the predecessor of the Company, and the consolidated assets and liabilities and results of operations prior to the Closing Date are those of the pre-combination Aeva. The shares and corresponding capital amounts and net loss per share available to common stockholders, prior to the Business Combination, have been retroactively restated as shares reflecting the exchange ratio established in the BCA. The number of shares of preferred stock was also retroactively converted into commons shares based on the exchange ratio.
Unaudited Interim Financial Statements	Unaudited Interim Financial Statements The condensed consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP"). The condensed consolidated financial statements include the accounts of the Company’s wholly-owned subsidiaries. All intercompany transactions and balances have been eliminated upon consolidation. The accompanying condensed consolidated financial statements are unaudited and have been prepared on the same basis as the annual consolidated financial statements and, in the opinion of management, reflect all adjustments, which include only normal recurring adjustments, necessary to present fairly the Company’s financial position, results of operations, comprehensive loss and cash flows for the periods presented, but are not necessarily indicative of the results of operations to be anticipated for any future annual or interim period.
Principal of Consolidation and Liquidity	Principal of Consolidation and Liquidity The condensed consolidated financial statements are prepared in accordance with U.S. GAAP. The consolidated condensed financial statements include the accounts of the Company’s wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. The Company has funded its operations primarily through the Business Combination and issuances of stock. As of March 31, 2022, the Company’s existing sources of liquidity included cash and cash equivalents and marketable securities of $ 414.5 million. The Company has a limited history of operations and has incurred negative cash flows from operating activities and losses from operations in the past as reflected in the accumulated deficit of $ 196.1 million as of March 31, 2022. The Company expects to continue to incur operating losses due to the investments it intends to make in its business, including product development. Management believes that existing cash and cash equivalents and marketable securities will be sufficient to fund operating and capital expenditure requirements through at least 12 months from the date of issuance of these financial statements.
Significant Risks and Uncertainties	Significant Risks and Uncertainties The Company is subject to those risks common in the technology industry and also those risks common to early-stage companies including, but not limited to, the possibility of not being able to successfully develop or market its products, technological obsolescence, competition, dependence on key personnel and key external alliances, the successful protection of its proprietary technologies, compliance with government regulations, and the possibility of not being able to obtain additional financing when needed. The COVID-19 pandemic has disrupted everyday life and markets worldwide, leading to significant business and supply-chain disruption, as well as broad-based changes in supply and demand. While the quarantine, social distancing and other regulatory measures instituted or recommended in response to COVID-19 are expected to be temporary, the duration of the business disruptions, and related financial impact, cannot be estimated at this time. Nevertheless, COVID-19 presents material uncertainty and risk with respect to the Company, its performance, and its financial results and could adversely affect the Company’s financial information.
Concentration of Credit Risk	Concentration of Credit Risk Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash, cash equivalents, marketable securities, and trade receivables. Risks associated with cash and cash equivalents are mitigated by banking with creditworthy institutions and the Company’s marketable securities having investment-grade ratings when purchased. The Company’s accounts receivable are derived from customers located in the United States, Asia, and Europe. The Company mitigates its credit risks by performing ongoing credit evaluations of its customers’ financial conditions and requires customer advance payments in certain circumstances. The Company generally does not require collateral. As of March 31, 2022, four customers accounted for 83 % of the accounts receivable. As of December 31, 2021, one customer accounted for 90 % of accounts receivable. As of March 31, 2022, two vendors accounted for 33 % of accounts payable. As of December 31, 2021, two vendors accounted for 37 % of accounts payable.
Use of Estimates	Use o f Estimates The preparation of financial statements in conformity with U.S. GAAP requires management to make certain estimates, judgments, and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Significant items subject to such estimates and assumptions include professional services revenue, valuation allowance for deferred tax assets, stock-based compensation, useful lives of property and equipment, useful lives of intangible assets, accrued liabilities, incremental borrowing rate for leases, and the valuation of the private warrants. The Company bases its estimates on historical experience and also on assumptions that it believes are reasonable. Actual results could differ from those estimates, and such differences could be material to the Company’s financial condition and results of operations.
Fair Value of Financial Instruments	Fair Value of Financial Instruments The Company’s cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities approximate their fair value due to their short maturities. The Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible. The Company determines the fair value of its financial instruments based on assumptions that market participants would use in pricing an asset or liability in the principal or most advantageous market. When considering market participant assumptions in fair value measurements, the following fair value hierarchy distinguishes between observable and unobservable inputs, which are categorized in one of the following levels: Level 1 – Inputs are unadjusted, quoted prices in active markets for identical assets or liabilities at the measurement date; Level 2 – Inputs are observable, unadjusted quoted prices in active markets for similar assets or liabilities, unadjusted quoted prices for identical or similar assets or liabilities in markets that are not active or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the related assets or liabilities; and Level 3 – Unobservable inputs that are significant to the measurement of the fair value of the assets or liabilities that are supported by little or no market data.
Leases	Leases The Company adopted Accounting Standards Update (“ASU”) No. 2016-02, Leases (Topic 842) using the modified retrospective approach with a cumulative-effect adjustment as of January 1, 2021. Upon adoption of Topic 842, the Company recorded operating right-of-use assets of $ 1.7 million and operating lease liabilities of $ 1.7 million and derecognized the deferred rent liability of $ 0.1 million. Prior period amounts have not been adjusted and continue to be reported in accordance with the Company’s historical accounting under previous lease guidance, ASC 840: Leases (Topic 840). The lease liability is determined as the present value of future lease payments using an incremental borrowing rate that the Company would have to pay to borrow equivalent funds on a collateralized basis at the lease commencement date. The right-of-use asset is based on the liability adjusted for any prepaid or deferred rent. The lease term at the commencement date is determined by considering whether renewal options and termination options are reasonably assured of exercise. Rent expense for operating leases is recognized on a straight-line basis over the lease term and is included in operating expenses on the condensed consolidated statements of operations and comprehensive loss. Variable lease payments include lease operating expenses. The Company elected to exclude from its balance sheets recognition of leases having a term of 12 months or less (short-term leases) and elected to not separate lease components and non-lease components for its long-term real estate leases.
Cash and Cash Equivalent and Marketable Securities	Cash and Cash Equivalent and Marketable Securities The Company considers all highly liquid investments purchased with a remaining maturity of three months or less to be cash equivalents. Marketable securities have been classified as available-for-sale and are carried at estimated fair value as determined based upon quoted market prices or pricing models for similar securities. The Company determines the appropriate classification of its investments at the time of purchase. The Company evaluates, on a quarterly basis, its marketable securities for potential impairment. For marketable securities in an unrealized loss position, the Company assesses whether such declines are due to credit loss based on factors such as changes to the rating of the security by a ratings agency, market conditions and supportable forecasts of economic and market conditions, among others. If credit loss exists, the Company assesses whether it has plans to sell the security or it is more likely than not it will be required to sell any marketable security before recovery of its amortized cost basis. If either condition is met, the security’s amortized cost basis is written down to fair value and is recognized through other income, net. If neither condition is met, declines as a result of credit losses, if any, are recognized as an allowance for credit loss, limited to the amount of unrealized loss, through other income, net. Any portion of the unrealized loss that is not a result of a credit loss, is recognized in other comprehensive loss. Realized gains and losses, if any, on marketable securities are included in other income, net. The cost of investments sold is based on the specific identification method. Interest on marketable securities is included in interest income.
Accounts Receivable	Accounts Receivable Accounts receivable are recorded at the invoiced amount and do not bear interest. The Company reviews the need for an allowance for doubtful accounts quarterly based on historical experience with each customer and the specifics of each arrangement. On March 31, 2022, and December 31, 2021, the Company did no t have an allowance for doubtful accounts or write-offs.
Inventories	Inventories Inventories consist of raw materials and supplies, work in process, and finished goods. Inventories are stated at the lower of cost or net realizable value. Costs are computed under the standard cost method, which approximates actual costs determined on a first-in, first-out basis. Net realizable value is determined as estimated selling prices in the ordinary course of business, less reasonably predictable costs of disposal and transportation. The Company assesses inventories quarterly for slow-moving products and potential impairment, and records write-downs of inventories to cost of revenue.
Deferred Transaction Costs	Deferred Transaction Costs The Company capitalized qualified legal, accounting, and other direct costs related to the Business Combination which were deferred until completion of the Business Combination. In March 2021, upon the completion of the Business Combination, all deferred costs were offset against the proceeds from the Business Combination and the PIPE financing.
Property, Plant, and Equipment	Property, Plant, and Equipment Property, plant, and equipment are stated at cost, net of accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of the respective assets. Assets are held as construction in progress until placed into service, upon which date the Company begins to depreciate the assets over their estimated useful lives. The estimated useful lives of the Company’s assets are as follows: Estimated useful lives Computer equipment 3 years Lab equipment 5 years Manufacturing equipment 4 years Testing equipment 3 years Leasehold improvements Lesser of estimated useful life or Furniture and fixtures 5 years Expenditures for repairs and maintenance are charged to expense as incurred. When an asset is sold or otherwise disposed of, the cost and associated accumulated depreciation are removed from the accounts and the resulting gain or loss is recognized in the statement of operations
Impairment of Long-Lived Assets	Impairment of Long-Lived Assets Long-lived assets, such as property and equipment and other long-term assets, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If circumstances require a long-lived asset or asset group to be tested for possible impairment, the Company first compares undiscounted cash flows expected to be generated by that asset or asset group to its carrying amount. If the carrying amount of the long-lived asset or asset group is not recoverable on an undiscounted cash flow basis, an impairment is recognized to the extent the carrying amount of the underlying asset exceeds its fair value.
Product Warranty	Product Warranty The Company typically provides a warranty on its products of one year or less. Estimated future warranty costs are accrued to cost of revenue in the period in which the related revenue is recognized. These estimates are based on historical warranty experience and any known or expected changes in warranty exposure, such as trends of product reliability and costs of repairing and replacing defective products. The Company periodically assesses the adequacy of its recorded warranty liabilities and adjusts the amounts as necessary. Provision for product warranties was immaterial for all periods presented.
Revenue Recognition	Revenue Recognition The Company adopted ASU No. 2014-09, Revenue from Contracts with Customers, and the related amendments (“Topic 606”) effective January 1, 2017, using the full retrospective method. Under Topic 606, the Company determines revenue recognition through the following steps: • Identifying the contract, or contracts, with the customer; • Identifying the performance obligations in the contract; • Determining the transaction price; • Allocating the transaction price to performance obligations in the contract; and • Recognizing revenue when, or as, the Company satisfies performance obligations by transferring the promised good or services. Nature of Products and Services and Revenue Recognition The Company’s revenue is derived from the sales of perception solution to direct customers and distributors. Revenue is recognized at a point in time when control of the goods is transferred to the customer, generally occurring upon shipment or delivery dependent upon the terms of the underlying contract. The Company typically provides a warranty of less than a year on its products. If the warranty period is sold or extended beyond the standard term, revenue related to the extended warranty is recognized ratably over the related extended warranty period. For certain custom products that require engineering and development based on customer specifications, the Company recognizes revenue over time using a cost-to-cost measure of progress which the Company believes faithfully depicts the transfer of control of the goods or services to the customer. Amounts billed to customers for shipping and handling are included in revenue. Some of the Company’s arrangements provide software embedded in hardware, and promises to update the Company’s software represent immaterial promises in contracts with customers. Taxes collected from customers and remitted to governmental authorities are excluded from revenue. Arrangements with Multiple Performance Obligations When a contract involves multiple performance obligations, the Company accounts for individual products and services separately if the customer can benefit from the product or service on its own or with other resources that are readily available to the customer and the product or service is separately identifiable from other promises in the contract. The consideration is allocated between separate performance obligations in proportion to their estimated standalone selling price. Other Policies, Judgments and Practical Expedients Right of return. The Company’s general terms and conditions for its contracts contain rights of return. However, the Company does not have a history of returns and therefore estimates of returns are immaterial. As such, the Company generally recognizes revenue at the contract price upon product shipment or delivery. Contract balances. Contract assets and liabilities represent the differences in the timing of revenue recognition from the receipt of cash from the Company’s customers and billings. Contract assets reflect revenue recognized and performance obligations satisfied in advance of customer billing. Contract liabilities relate to payments received in advance of the satisfaction of performance under the contract. Receivables represents the right to consideration that is unconditional. Such rights are considered unconditional if only the passage of time is required before payment of that consideration is due. Remaining performance obligations. Revenue allocated to remaining performance obligations represents the transaction price allocated to the performance obligations that are unsatisfied or partially unsatisfied. It includes unearned revenue and amounts that will be invoiced and recognized as revenue in future periods and does not include contracts where the customer is not committed. The customer is not considered committed where they can terminate for convenience without payment of a substantive penalty under the contract. Additionally, as a practical expedient, the Company has not disclosed the value of unsatisfied performance obligations for contracts with an original expected length of one year or less. Because the majority of the Company’s customer contracts allow customers to terminate for convenience or have an original duration of one year or less, the total amount of the transaction price allocated to unsatisfied performance obligations with a duration of more than 12 months was immaterial as of March 31, 2022 and December 31, 2021. Significant financing component. In certain arrangements, the Company receives payment from a customer either before or after the performance obligation has been satisfied. However, the Company’s contracts are generally one year or less; therefore, the Company applies a practical expedient and does not consider the effects of the time value of money. Contract modifications. The Company may modify contracts to offer customers additional products or services. Each of the additional products and services are generally considered distinct from those products or services transferred to the customer before the modification. The Company evaluates whether the contract price for the additional products and services reflects the standalone selling price as adjusted for facts and circumstances applicable to that contract. In these cases, the Company accounts for the additional products or services as a separate contract. In other cases where the pricing in the modification does not reflect the standalone selling price as adjusted for facts and circumstances applicable to that contract, the Company accounts for the modification on a prospective basis where the remaining goods and services are distinct from the original items and on a cumulative catch-up basis when the remaining goods and services are not distinct from the original items. Judgments and estimates. Judgement is required in the identification of performance obligations within the Company’s contracts with customers, especially those for certain custom products that require engineering and development. Accounting for contracts recognized over time under Topic 606 involves the use of various techniques to estimate total contract revenue and costs. Due to uncertainties inherent in the estimation process, estimates of costs to complete a performance obligation may be revised. The Company reviews and updates its contract-related estimates regularly, and records adjustments as needed. For those performance obligations for which revenue is recognized using a cost-to-cost method, changes in total estimated costs, and related progress towards complete satisfaction of the performance obligation, are recognized on a cumulative catch-up basis in the period in which the revisions to the estimates are made.
Cost of Revenue	Cost of Revenue The cost of revenue principally includes direct material, direct labor, and allocation of overhead associated with manufacturing operations, including inbound freight charges and depreciation. Cost of revenue also includes the direct cost and appropriate allocation of overhead costs involved in the execution of service contracts.
Research and Development	Research and Development Research and development expenses consist primarily of payroll expenses, consulting and contractor expenses, allocated overhead costs, and tooling and prototype materials to the extent no future benefit is expected. Substantially all of the Company’s research and development expenses are related to developing new products and services and improving existing products and services. To date, research and development expenses have been expensed as incurred and included in the statements of operations.
Stock-based Compensation	Stock-based Compensation The Company measures the cost of share-based awards granted to employees and directors based on the grant-date fair value of the awards. The grant-date fair value of the stock options is calculated using a Black-Scholes option pricing model. The Black-Scholes pricing model requires the use of subjective assumptions including the option’s expected term, the volatility of the underlying stock, the fair value of the stock, dividend yield rate and the risk-free rate. The fair value of the performance based restricted stock units (the “PBRSUs”) and restricted stock units (the “RSUs”) is equal to the closing price of the Company’s common stock on the grant date. The fair value of the stock-based grants except for PBRSUs is recognized on a straight-line basis over the requisite service period, which is generally the vesting period of the award. The fair value of PBRSUs is recognized using the graded-vesting attribution method over the requisite service period.
Income Taxes	Income Taxes Income taxes are accounted under the asset and liability method, which requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements. Under this method, deferred tax assets and liabilities are determined on the differences between the financial statement and tax bases of assets and liabilities by using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. The Company recognizes deferred tax assets to the extent that these assets are more likely than not to be realized. In making such a determination, all available positive and negative evidence is considered, including future reversals of existing taxable temporary differences, projected future taxable income, tax-planning strategies, and results of recent operations. If it is determined that deferred tax assets would be realized in the future, in excess of their net recorded amount, an adjustment would be made to the deferred tax asset valuation allowance, which would reduce the provision for income taxes. The Company records uncertain tax positions in accordance with Topic 740: Simplifying the Accounting for Income Taxes (“Topic 740”) on the basis of a two-step process which includes (1) determination of whether it is more likely than not that the tax positions will be sustained on the basis of the technical merits of the position, and (2) recognition of tax positions that meet the more-likely-than-not recognition threshold. Recognized income tax positions are measured at the largest amount of tax benefit that is more than 50 percent likely to be realized upon ultimate settlement with the related tax authority. The Company recognizes interest and penalties related to unrecognized tax benefits on the income tax expense line in the accompanying statement of operations. Accrued interest and penalties are included on the related tax liability line in the balance sheet.
Commitments and Contingencies	Commitments and Contingencies Liabilities for loss contingencies arising from claims, assessments, litigation, fines, and penalties and other sources are recorded when it is probable that a liability has been incurred and the amount within a range of loss can be reasonably estimated. When no amount within the range is a better estimate than any other amount, the Company accrues for the minimum amount within the range. Legal costs incurred in connection with loss contingencies are expensed as incurred.
Foreign Currency Translation	Foreign Currency Translation Gains and losses resulting from foreign exchange transactions and revaluation of monetary assets and liabilities in non-functional currencies are included in other income (expense) in the statements of operations. Net foreign exchange gain (loss) recorded in the Company’s statements of operations was immaterial for all periods.
Net Loss Attributable Per Share to Common Stockholders	Net Loss Attributable Per Share to Common Stockholders Basic net loss per share attributable to common stockholders is computed by dividing the Company’s net loss attributable per share to common stockholders by the weighted-average number of common shares used in the loss per share calculation during the period. Diluted net loss per share attributable to common stockholders is computed by giving effect to all potentially dilutive securities, including stock options and convertible preferred shares. Basic and diluted net loss per share attributable to common stockholders was the same for all periods presented as the inclusion of all potentially dilutive securities outstanding was anti-dilutive.
Warrant Liabilities	Warrant Liabilities The Company accounts for the private placement warrants issued in connection with our initial public offering in accordance with the guidance contained in ASC 815-40 under which the warrants do not meet the criteria for equity treatment and must be recorded as liabilities. Accordingly, the Company classifies the private placement warrants as liabilities at their fair value and adjusts the warrants to fair value at each reporting period. This liability is subject to re-measurement at each balance sheet date until the warrants are exercised, and any change in fair value is recognized in the statement of operations. The Company utilizes the Black-Scholes option pricing model to value the warrants at each reporting period. The key assumptions in the option pricing model utilized include the following: • The expected share-price volatility assumption is based on a blend of the implied volatilities of the Company’s public warrants and a set of comparable publicly traded warrants for other similar companies. • The expected term of the warrants is assumed to be the expected period until the close of a Business Combination, and the contractual five-year term subsequently. • The risk-free interest rate is based on the U.S. Treasury rate for the applicable expected terms. • The dividend yield is based on the historical rate, which the Company anticipates to remain at zero .
Intangible Assets	Intangible Assets Intangible assets, consists of purchased patents that are stated at cost less accumulated amortization. Intangible assets have been determined to have finite lives and are amortized on a straight-line basis over their estimated remaining economic lives, which is estimated at five years. Amortization expense is included in general and administrative expenses
Recent Accounting Pronouncements and Recently Adopted Accounting Guidance	Recent Accounting Pronouncements In October 2021, the FASB issued Accounting Standards Update No. 2021-08, “Business Combinations (Topic 805), Accounting for Contract Assets and Contract Liabilities from Contracts with Customers” (“ASU 2021-08”), which requires contract assets and contract liabilities acquired in a business combination to be recognized and measured in accordance with ASC 606, Revenue from Contracts with Customers. ASU 2021-08 is effective for interim and annual periods beginning after December 15, 2022 on a prospective basis, with early adoption permitted. The Company is currently evaluating the potential impact of ASU 2021-08 to its consolidated financial statements. Recently Adopted Accounting Guidance In June 2016, the FASB issued ASU No. 2016-13, , which amends the incurred loss impairment methodology in current GAAP with a methodology requires measurement and recognition of expected credit losses for most financial assets and certain other instruments, including but not limited to available-for-sale debt securities. Credit losses relating to available-for-sale debt securities will be recorded through an allowance for credit losses rather than as a direct write-down to the security. ASU 2016-13 is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2019, and requires a cumulative effect adjustment to the balance sheet as of the beginning of the first reporting period in which the guidance is effective. In November 2019, the FASB issued ASU No. 2019-10, which defers the effective date of this ASU to fiscal years beginning after December 15, 2022 for all entities except SEC reporting companies that are not smaller reporting companies. The Company adopted ASU 2016-13 utilizing the modified retrospective transition method effective January 1, 2022. The adoption of ASU 2016-13 did not have a material impact on the Company’s condensed consolidated financial statements.

Description of Business and S_3

Description of Business and Summary of Significant Accounting Policies (Tables)	3 Months Ended
	Mar. 31, 2022
Accounting Policies [Abstract]
Schedule of Property, Plant, and Equipment Estimated Useful Lives	Estimated useful lives Computer equipment 3 years Lab equipment 5 years Manufacturing equipment 4 years Testing equipment 3 years Leasehold improvements Lesser of estimated useful life or Furniture and fixtures 5 years

Reverse Capitalization (Tables)

Reverse Capitalization (Tables)	3 Months Ended
	Mar. 31, 2022
Business Combinations [Abstract]
Schedule of Reconciliation of Elements of Business Combination	The following table reconciles the elements of the Business Combination to the consolidated statements of cash flows and the consolidated statement of changes in stockholders’ equity (in thousands): Cash - InterPrivate’s trust and cash (net of redemption) $ 240,777 Cash - Private offering 320,000 Less: transaction costs and advisory fees paid ( 47,708 ) Net Business Combination and Private Offering $ 513,069 The number of shares of common stock issued immediately following the consummation of the Business Combination were: Common stock, outstanding prior to Business Combination 24,150,000 Less: redemption of IPV shares ( 30,874 ) Common stock of IPV Corp 24,119,126 IPV founder shares 6,905,500 Shares issued in PIPE 28,318,478 Business Combination and PIPE shares 59,343,104 Legacy Aeva shares (1) 152,066,648 Total shares of common stock immediately after Business Combination 211,409,752 Aeva exercise of warrants — Total shares of common stock at March 12, 2021 211,409,752 (1) The number of Legacy Aeva shares was determined as follows: Aeva shares Aeva shares, Balance at December 31, 2019 8,031,018 72,894,258 Recapitalization applied to Convertible Preferred Stock outstanding at December 31, 2019 8,606,780 78,120,214 Exercise of common stock options - 2020 38,675 351,037 Exercise of common stock options - 2021 (pre-Closing) 77,247 701,139 Total 152,066,648

Revenue (Tables)

Revenue (Tables)	3 Months Ended
	Mar. 31, 2022
Revenue from Contract with Customer [Abstract]
Summary of Disaggregated Revenue by Geographic Region	Total revenue for the three months ended March 31, 2022 and 2021, based on the disaggregation criteria described above are as follows (in thousands): Three Months Ended March 31, 2022 2021 Revenue % of Revenue Revenue % of Revenue Revenue by primary geographical market: North America $ 1,111 98 % $ 201 65 % Europe 26 2 % 15 5 % Asia — 0 % 92 30 % Total $ 1,137 100 % $ 308 100 % Revenue by timing of recognition: Recognized at a point in time $ 211 19 % $ 293 95 % Recognized over time 926 81 % 15 5 % Total $ 1,137 100 % $ 308 100 % For the three months March 31, 2022, one customer accounted for 81 % of the Company’s revenue. For the three months ended March 31, 2021, five customers accounted for 30 %, 29 %, 12 %, 12 %, and 11 %, respectively, of the Company’s revenue.

Financial Instruments (Tables)

Financial Instruments (Tables)	3 Months Ended
	Mar. 31, 2022
Fair Value Disclosures [Abstract]
Summary of Financial assets and Liabilities Measured at Fair Value on Recurring Basis	The following tables summarize the Company’s financial assets and liabilities measured at fair value by level within the fair value hierarchy: March 31, 2022 Adjusted Cost Unrealized Losses Fair Value Cash and Cash Equivalent Marketable Securities (in thousands) Assets Cash $ 10,496 $ — $ 10,496 $ 10,496 $ — Level 1 Money market funds 21,031 — 21,031 21,031 — Level 2 U.S. Government securities 51,475 ( 838 ) 50,637 — 50,637 U.S. Treasury securities 67,968 ( 58 ) 67,910 25,983 41,927 Commercial paper 98,197 ( 200 ) 97,997 4,989 93,008 Corporate bonds 167,292 ( 1,882 ) 165,410 — 165,410 Municipal securities 1,007 ( 1 ) 1,006 — 1,006 Subtotal 385,939 ( 2,979 ) 382,960 30,972 351,988 Total assets $ 417,466 $ ( 2,979 ) $ 414,487 $ 62,499 $ 351,988 Liabilities Level 3 Warrant liabilities 426 — 426 — — Total liabilities $ 426 $ — $ 426 $ — $ — December 31, 2021 Adjusted Cost Unrealized Losses Fair Value Cash and Cash Equivalent Marketable Securities (in thousands) Assets Cash $ 2,765 $ — $ 2,765 $ 2,765 $ — Level 1 Money market funds 38,045 — 38,045 38,045 — Level 2 U.S. Government securities 45,982 ( 66 ) 45,916 — 45,916 U.S. Treasury securities 80,500 ( 7 ) 80,493 26,000 54,493 Commercial paper 94,887 ( 15 ) 94,872 — 94,872 Corporate bonds 182,338 ( 435 ) 181,903 — 181,903 Municipal securities 1,017 ( 1 ) 1,016 — 1,016 Subtotal 404,724 ( 524 ) 404,200 26,000 378,200 Total assets $ 445,534 $ ( 524 ) $ 445,010 $ 66,810 $ 378,200 Liabilities Level 3 Warrant liabilities 1,060 — 1,060 — — Total liabilities $ 1,060 $ — $ 1,060 $ — $ —
Summary of Changes in Fair Value of Level 3 Financial Instruments	The following table presents a summary of the changes in the fair value of the Company’s Level 3 financial instruments (in thousand): March 31, 2022 December 31, 2021 Fair value, beginning balance $ 1,060 $ — Private placement warrant liability acquired as part of the merger — 3,014 Change in the fair value included in other income (expense), net ( 634 ) ( 1,954 ) Fair value, closing balance $ 426 $ 1,060
Schedule of Black-Scholes Option Pricing Model For Private Warrants	The key inputs into the Black-Scholes option pricing model for the private warrants were as follows for the relevant periods: March 31, 2022 December 31, 2021 Expected term (years) 4.0 4.2 Expected volatility 64.2 % 60.3 % Risk-free interest rate 2.42 % 1.14 % Dividend yield 0 % 0 % Exercise Price $ 11.50 $ 11.50

Acquisition and Intangible As_2

Acquisition and Intangible Assets (Tables)	3 Months Ended
	Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of expected amortization expense relating to purchased intangible assets	As of March 31, 2022, expected amortization expense relating to purchased intangible assets for each of the next five years and thereafter was as follows (in thousands): Remainder of 2022 $ 675 2023 900 2024 900 2025 900 2026 825 Total future amortization $ 4,200

Inventories (Tables)

Inventories (Tables)	3 Months Ended
	Mar. 31, 2022
Inventory Disclosure [Abstract]
Schedule of Inventories	Inventories consist of the following (in thousands): March 31, December 31, 2022 2021 Raw materials $ 1,578 $ 1,668 Work-in-progress — 116 Finished goods $ 348 279 Total inventories $ 1,926 $ 2,063

Property, Plant and Equipment (

Property, Plant and Equipment (Tables)	3 Months Ended
	Mar. 31, 2022
Property, Plant and Equipment [Abstract]
Schedule of Property, Plant and Equipment	Property, plant and equipment consists of the following (in thousands): March 31, December 31, 2022 2021 Computer equipment $ 1,807 $ 1,572 Lab equipment 3,084 2,760 Leasehold improvements 2,497 1,330 Construction in progress 1,414 980 Testing equipment 602 521 Manufacturing equipment 667 374 Furniture, fixtures and other equipment 453 439 Total property, plant and equipment $ 10,524 $ 7,976 Less: accumulated depreciation $ ( 3,245 ) ( 2,840 ) Total property, plant and equipment, net $ 7,279 $ 5,136

Other Current Assets (Tables)

Other Current Assets (Tables)	3 Months Ended
	Mar. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Schedule of Other Current Assets	Other current assets consist of the following (in thousands): March 31, December 31, 2022 2021 Prepaid expenses $ 2,251 $ 2,819 Contract assets 4,994 4,069 Vendor deposits 536 1,057 Other current assets 886 1,125 Total other current assets $ 8,667 $ 9,070

Other Current Liabilities (Tabl

Other Current Liabilities (Tables)	3 Months Ended
	Mar. 31, 2022
Other Liabilities, Current [Abstract]
Schedule of Other Current Liabilities	Other current liabilities consist of the following (in thousands): March 31, December 31, 2022 2021 Sales tax payable $ 67 $ 551 Other current liabilities $ 167 182 Total other current liabilities $ 234 $ 733

Capital Structure (Tables)

Capital Structure (Tables)	3 Months Ended
	Mar. 31, 2022
Equity [Abstract]
Schedule of Conversions of Stock	March 12, 2021 (Closing Date) Preferred Stock Shares Exchange Ratio Common Stock Shares Series Seed Convertible Preferred Stock (pre-combination) 3,198,556 9.07659 29,031,982 Series A Convertible Preferred Stock (pre-combination) 2,851,057 9.07659 25,877,876 Series B Convertible Preferred Stock (pre-combination) 1,032,888 9.07659 9,375,100 Series B-1 Convertible Preferred Stock (pre-combination) 1,524,279 9.07659 13,835,256 Total 8,606,780 78,120,214

Earnings (Loss) Per Share (Tabl

Earnings (Loss) Per Share (Tables)	3 Months Ended
	Mar. 31, 2022
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted	The following table sets forth the computation of the basic and diluted net loss per share attributable to common stockholders for the periods presented (in thousands, except per share data): Three Months Ended March 31, 2022 2021 Numerator: Net Loss $ ( 33,157 ) $ ( 19,458 ) Net loss attributable per share to common stockholders ( 33,157 ) ( 19,458 ) Denominator: Weighted average shares of common stock outstanding — Basic 216,017,186 163,955,593 Dilutive effect of potential common stock — — Weighted average shares of common stock outstanding — Diluted 216,017,186 163,955,593 Net loss per share attributable to common stockholders — Basic and Diluted $ ( 0.15 ) $ ( 0.12 )
Schedule of Antidilutive Securities Excluded from Computation of Diluted Earnings Per Share	The following table presents the potential common shares outstanding that were excluded from the computation of diluted net loss per share of common stock as of the periods presented because including them would have been anti-dilutive: Three Months Ended March 31, 2022 2021 Common stock options issued and outstanding 12,787,299 17,073,617 Restricted stock units 6,829,309 1,435,217 Total 19,616,608 18,508,834

Stock-based Compensation (Table

Stock-based Compensation (Tables)	3 Months Ended
	Mar. 31, 2022
Schedule of Stock Options Activity	A summary of the Company’s stock option activity for three months ended March 31, 2022, is as follows: Number of Weighted- Weighted- Aggregate Outstanding as of December 31, 2021 13,858,356 $ 0.39 7.47 $ 99,406 Exercised ( 1,029,266 ) 0.18 — — Forfeited ( 41,791 ) 0.46 — — Outstanding as of March 31, 2022 12,787,299 0.40 7.27 50,210 Vested and exercisable as of March 31, 2022 9,203,992 0.36 7.10 36,580 Vested and expected to vest as of March 31, 2022 12,787,299 0.40 7.27 50,210 There were no options granted during the three months ended March 31, 2022.
Schedule of Restricted Stock Activity	The following table summarizes our RSU activity which includes performance-based RSUs for the three months ended March 31, 2022: Shares Weighted Average Outstanding as of December 31, 2021 6,631,079 $ 10.04 Granted 980,697 4.82 Released ( 671,621 ) 10.11 Forfeited ( 110,846 ) 10.86 Outstanding as of March 31, 2022 6,829,309 $ 9.27
Summary of Stock-Based Compensation Expense	Total stock-based compensation expense by function was as follows (in thousands): Three Months Ended March 31, 2022 2021 Cost of revenue $ 136 $ — Research and development expenses 4,323 1,796 General and administrative expenses 1,229 2,696 Sales and marketing expenses 96 21 Total $ 5,784 $ 4,513

Income Taxes (Tables)

Income Taxes (Tables)	3 Months Ended
	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Schedule of Income before Income Taxes	For financial reporting purposes, income before income taxes includes the following components (in thousand): Three Months Ended March 31, 2022 2021 Domestic $ ( 33,157 ) $ ( 19,458 ) Foreign — — Loss before income taxes $ ( 33,157 ) $ ( 19,458 )

Commitments and Contingencies (

Commitments and Contingencies (Tables)	3 Months Ended
	Mar. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Summary of Maturity Analysis of the Annual Undiscounted Cash Flows of Operating Lease Liabilities	The following is a maturity analysis of the annual undiscounted cash flows reconciled to the carrying value of the operating lease liabilities as of March 31, 2022 (in thousands): Operating Leases Remainder of 2022 $ 2,507 2023 2,977 2024 2,748 2025 1,969 2026 290 Total minimum lease payments 10,491 Less: imputed interest ( 860 ) Total lease liability $ 9,631

Segment Information (Tables)

Segment Information (Tables)	3 Months Ended
	Mar. 31, 2022
Geographic Areas, Long-Lived Assets [Abstract]
Schedule of Property and Equipment by Geographic Region	The following table set s forth the Company’s property and equipment, net by geographic region (in thousand): March 31, December 31, 2022 2021 (in thousands) United States $ 6,722 $ 4,676 Thailand 459 351 Germany 98 109 Total $ 7,279 $ 5,136

Description of Business and S_4

Description of Business and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Jan. 01, 2021
Significant Accounting Policies [Line Items]
Common stock, par value	$ 0.0001	$ 0.0001
Intangible assets	$ 4,200,000	$ 4,425,000
Cash and cash equivalents	62,499,000	66,810,000
Accumulated deficit	$ 196,119,000	162,962,000
Number of months required to fund operating and capital expenditure	12 months
Accounts receivable	$ 211,000	2,341,000
Operating lease right-of-use assets	9,577,000	10,284,000	$ 1,700,000
Operating lease liabilities	9,631,000		1,700,000
Deferred rent liability			$ 100,000
Allowance for doubtful accounts	$ 0	$ 0
Private Warrants [Member]
Significant Accounting Policies [Line Items]
Dividend yield	0.00%
Money Market Funds [Member]
Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 414,500,000
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Customer One [Member]
Significant Accounting Policies [Line Items]
Number of customer accounted for accounts receivable		one customer
Concentration risk, percentage		90.00%
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Customer Four [Member]
Significant Accounting Policies [Line Items]
Number of customer accounted for accounts receivable	four customers
Concentration risk, percentage	83.00%
Credit Concentration Risk [Member] | Accounts Payable [Member] | Two Vendors [Member]
Significant Accounting Policies [Line Items]
Concentration risk, percentage	33.00%	37.00%
Number of vendors accounted for accounts payable	two vendors	two vendors

Description of Business and S_5

Description of Business and Summary of Significant Accounting Policies - Schedule of Property, Plant, and Equipment Estimated Useful Lives (Details)	3 Months Ended
	Mar. 31, 2022
Computer Equipment [Member]
Property Plant And Equipment [Line Items]
Property, plant, and equipment estimated useful lives	3 years
Lab Equipment [Member]
Property Plant And Equipment [Line Items]
Property, plant, and equipment estimated useful lives	5 years
Manufacturing Equipment [Member]
Property Plant And Equipment [Line Items]
Property, plant, and equipment estimated useful lives	4 years
Testing Equipment [Member]
Property Plant And Equipment [Line Items]
Property, plant, and equipment estimated useful lives	3 years
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property, plant, and equipment estimated useful lives	Lesser of estimated useful life orremaining lease term
Furniture, fixtures and other equipment [Member]
Property Plant And Equipment [Line Items]
Property, plant, and equipment estimated useful lives	5 years

Reverse Capitalization - Reconc

Reverse Capitalization - Reconciliation of Elements of Business Combination (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)
Business Acquisition [Line Items]
Transaction costs and advisory fees paid	$ (47,708)
Business Combination Cash Acquired From Acquisition	513,069
Inter Private Trust And Cash Net Of Redemption Member
Business Acquisition [Line Items]
Cash Acquired from Acquisition	240,777
Private Offering Member
Business Acquisition [Line Items]
Cash - Private offering	$ 320,000

Reverse Capitalization - Schedu

Reverse Capitalization - Schedule of Number of Common Stock Issued Following the Business Combination (Details) - $ / shares	Mar. 12, 2021	Mar. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Common stock outstanding prior to Business Combination	24,150,000
Number of Share Redemption of IPV Share	(30,874)
Adjustment To Common Stock Issued Shares	24,119,126
Stock Issued During Period, Shares, Acquisitions	6,905,500
Issuance Of Common Stock In Private Investment Public Equity Offering Shares	28,318,478
Business Combination and PIPE Shares	59,343,104
Common Stock Shares Effected For Exchange Ratio	152,066,648
Total shares of common stock immediately after Business Combination	211,409,752
Aeva exercise of warrants	$ 0
Total shares of common stock at March 12, 2021	211,409,752	216,644,000	214,997,000

Reverse Capitalization - Sche_2

Reverse Capitalization - Schedule of Number of Common Stock Issued Following the Business Combination (Parenthetical) (Details) - shares	Mar. 12, 2021	Mar. 31, 2022	Dec. 31, 2019
Business Acquisition [Line Items]
Common Stock Shares			8,031,018
Common Stock Shares effected for Exchange Ratio	152,066,648		72,894,258
Recapitalization Applied to Convertible Preferred Stock Outstanding			8,606,780
Recapitalization Applied to Convertible Preferred Stock Outstanding Effected for Exchange ratio			78,120,214
Exercise of common stock options		1,029,266
2020 Stock Options [Member]
Business Acquisition [Line Items]
Exercise of common stock options	38,675
Exercise of common stock options, Effected for Exchange Ratio	351,037
2021 Stock Options [Member]
Business Acquisition [Line Items]
Exercise of common stock options	77,247
Exercise of common stock options, Effected for Exchange Ratio	701,139

Reverse Capitalization - Additi

Reverse Capitalization - Additional Information (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2022USD ($)$ / sharesshares	Mar. 31, 2021	Dec. 31, 2019shares	Dec. 31, 2021USD ($)$ / sharesshares	Mar. 12, 2021$ / sharesshares
Business Acquisition [Line Items]
Authorized shares of capital stock | shares	432,000,000				432,000,000
Common stock, shares authorized | shares	422,000,000			422,000,000	422,000,000
Common stock, par value | $ / shares	$ 0.0001			$ 0.0001
Preferred stock, shares authorized | shares	10,000,000				10,000,000
Preferred stock, par value | $ / shares	$ 0.0001
Common stock, shares | shares			8,031,018
Intangible Assets, Net (Excluding Goodwill)	$ 4,200,000			$ 4,425,000
Proceeds from Business Combination and PIPE financing before offsetting	560,800,000
Offering costs	$ 47,700,000
Merger Agreement [Member]
Business Acquisition [Line Items]
Business acquisition, effective date		Mar. 12, 2021
Convertible Preferred Stock, Shares Issued upon Conversion | shares	78,120,214
Common stock, par value | $ / shares					$ 0.0001
Preferred stock, par value | $ / shares					$ 0.0001
Business combination, direct and incremental costs related Costs	$ 47,700,000
Exchange Ratio	9.07659
InterPrivate [Member]
Business Acquisition [Line Items]
Common stock shares redemption | shares	30,874
Goodwill	$ 0
Intangible Assets, Net (Excluding Goodwill)	0
InterPrivate [Member] | Maximum [Member]
Business Acquisition [Line Items]
Gross Common Stock Redemption Payments	$ 300,000
PIPE Shares [Member]
Business Acquisition [Line Items]
Stock issued during period, new issues, Shares | shares	28,318,478
Proceeds from sale of common stock	$ 320,000,000
PIPE Shares [Member] | Investor One [Member]
Business Acquisition [Line Items]
Shares issued, price per share | $ / shares	$ 10
PIPE Shares [Member] | Investor Two [Member]
Business Acquisition [Line Items]
Shares issued, price per share | $ / shares	11.50
PIPE Shares [Member] | Investor Three [Member]
Business Acquisition [Line Items]
Shares issued, price per share | $ / shares	$ 16

Revenue - Summary of Disaggrega

Revenue - Summary of Disaggregated Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,137	$ 308
% of Revenue	100.00%	100.00%
Recognized at a point in time [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 211	$ 293
% of Revenue	19.00%	95.00%
Recognized over time [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 926	$ 15
% of Revenue	81.00%	5.00%
North America [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,111	$ 201
% of Revenue	98.00%	65.00%
Europe [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 26	$ 15
% of Revenue	2.00%	5.00%
Asia [Member]
Disaggregation Of Revenue [Line Items]
Revenue		$ 92
% of Revenue	0.00%	30.00%

Revenue - Additional Informatio

Revenue - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022USD ($)Customer	Mar. 31, 2021Customer	Dec. 31, 2021USD ($)
Disaggregation of Revenue [Line Items]
Contract assets	$ 4,994		$ 4,069
Customer Concentration Risk [Member]
Disaggregation of Revenue [Line Items]
Number Of customers meeting concentration risk threshold | Customer	1	5
Minimum [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	81.00%	30.00%
Concentration risk percentage 2		29.00%
Concentration risk percentage 3		12.00%
Concentration Risk Percentage 4		12.00%
Concentration Risk Percentage 5		11.00%
Other current assets [Member]
Disaggregation of Revenue [Line Items]
Contract assets	$ 5,000		4,100
Other current liabilities [Member]
Disaggregation of Revenue [Line Items]
Contract liabilities	$ 0		$ 0

Financial Instruments - Summary

Financial Instruments - Summary of Financial assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Available-for-sale [Abstract]
Cash	$ 10,496	$ 2,765
Adjusted Cost	417,466	445,534
Unrealized Losses	(2,979)	(524)
Fair Value	414,487	445,010
Cash and cash equivalents	62,499	66,810
Marketable Securities	351,988	378,200
Financial liabilities, Adjusted cost	426	1,060
Financial liabilities, Fair value	426	1,060
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Available-for-sale [Abstract]
Adjusted Cost	21,031	38,045
Fair Value	21,031	38,045
Cash and cash equivalents	21,031	38,045
Fair Value, Inputs, Level 2 [Member]
Available-for-sale [Abstract]
Adjusted Cost	385,939	404,724
Unrealized Losses	(2,979)	(524)
Fair Value	382,960	404,200
Cash and cash equivalents	30,972	26,000
Marketable Securities	351,988	378,200
Fair Value, Inputs, Level 2 [Member] | U.S. Government Securities [Member]
Available-for-sale [Abstract]
Adjusted Cost	51,475	45,982
Unrealized Losses	(838)	(66)
Fair Value	50,637	45,916
Marketable Securities	50,637	45,916
Fair Value, Inputs, Level 2 [Member] | U.S. Treasury Securities [Member]
Available-for-sale [Abstract]
Adjusted Cost	67,968	80,500
Unrealized Losses	(58)	(7)
Fair Value	67,910	80,493
Cash and cash equivalents	25,983	26,000
Marketable Securities	41,927	54,493
Fair Value, Inputs, Level 2 [Member] | Commercial Paper [Member]
Available-for-sale [Abstract]
Adjusted Cost	98,197	94,887
Unrealized Losses	(200)	(15)
Fair Value	97,997	94,872
Cash and cash equivalents	4,989
Marketable Securities	93,008	94,872
Fair Value, Inputs, Level 2 [Member] | Corporate Bonds [Member]
Available-for-sale [Abstract]
Adjusted Cost	167,292	182,338
Unrealized Losses	(1,882)	(435)
Fair Value	165,410	181,903
Marketable Securities	165,410	181,903
Fair Value, Inputs, Level 2 [Member] | Muncipal Securities [Member]
Available-for-sale [Abstract]
Adjusted Cost	1,007	1,017
Unrealized Losses	(1)	(1)
Fair Value	1,006	1,016
Marketable Securities	1,006	1,016
Fair Value, Inputs, Level 3 [Member] | Warrant Liabilities [Member]
Available-for-sale [Abstract]
Financial liabilities, Adjusted cost	426	1,060
Financial liabilities, Fair value	$ 426	$ 1,060

Financial Instruments - Summa_2

Financial Instruments - Summary of Changes in Fair Value of Level 3 Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Fair Value, Beginning Balance	$ 1,060	$ 0
Private placement warrant liability acquired as part of the merger		3,014
Change in the fair value included in other income (expense), net	(634)	(1,954)
Fair Value, Ending Balance	$ 426	$ 1,060

Financial Instruments - Schedul

Financial Instruments - Schedule of Black-Scholes Option Pricing Model For Private Warrants (Details)	Mar. 31, 2022	Dec. 31, 2021
Expected Term [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and Rights Outstanding, Measurement Input	4	4.2
Expected Volatility [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and Rights Outstanding, Measurement Input	64.2	60.3
Risk-free Interest Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and Rights Outstanding, Measurement Input	2.42	1.14
Dividend Yield [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and Rights Outstanding, Measurement Input	0	0
Exercise Price [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and Rights Outstanding, Measurement Input	11.50	11.50

Acquisition and Intangible As_3

Acquisition and Intangible Assets (Additional Information) (Details) - USD ($) $ in Millions	Nov. 23, 2021	Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Total consideration for intellectual property	$ 4.5
Weighted-average useful life		5 years
Amortization of Intangible Assets		$ 0.2

Acquisition and Intangible As_4

Acquisition and Intangible Assets - Schedule of expected amortization expense relating to purchased intangible assets (Details) $ in Thousands	Mar. 31, 2022USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2022	$ 675
2023	900
2024	900
2025	900
2026	825
Total future amortization	$ 4,200

Inventories - Schedule of Inven

Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Inventory Disclosure [Abstract]
Raw materials	$ 1,578	$ 1,668
Work-in-progress	0	116
Finished goods	348	279
Total inventory	$ 1,926	$ 2,063

Property, Plant and Equipment -

Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 10,524	$ 7,976
Less: accumulated depreciation	(3,245)	(2,840)
Total property, plant and equipment, net	7,279	5,136
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	1,807	1,572
Lab Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	3,084	2,760
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	2,497	1,330
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	1,414	980
Testing Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	602	521
Manufacturing Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	667	374
Furniture, Fixtures and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 453	$ 439

Property, Plant and Equipment_2

Property, Plant and Equipment - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Property, Plant and Equipment [Abstract]
Depreciation	$ 0.4	$ 0.2

Other Current Assets - Schedule

Other Current Assets - Schedule of Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses	$ 2,251	$ 2,819
Contract assets	4,994	4,069
Vendor deposits	536	1,057
Other current assets	886	1,125
Total other current assets	$ 8,667	$ 9,070

Other Current Liabilities - Sc

Other Current Liabilities - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Other Liabilities, Current [Abstract]
Sales tax payable	$ 67	$ 551
Other current liabilities	167	182
Total other current liabilities	$ 234	$ 733

Capital Structure - Additional

Capital Structure - Additional Information (Details)	3 Months Ended
	Mar. 31, 2022$ / sharesshares	Dec. 31, 2021$ / sharesshares	Mar. 12, 2021shares
Class Of Stock [Line Items]
Temporary equity, shares authorized | shares	432,000,000		432,000,000
Common stock, shares authorized | shares	422,000,000	422,000,000	422,000,000
Preferred Stock, Conversion Basis	1:1 basis
Conversion Ratio	0.0907659
Preferred stock, par value | $ / shares	$ 0.0001
Preferred stock, shares authorized | shares	10,000,000		10,000,000
Preferred stock, shares issued | shares	0	0
Pre-combination Aeva preferred stock outstanding | shares	0	0
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.0001	$ 0.0001
Series Seed Preferred Stock [Member]
Class Of Stock [Line Items]
Preferred stock, par value | $ / shares	0.001
Series A-1 Preferred Stock [Member]
Class Of Stock [Line Items]
Preferred stock, par value | $ / shares	0.001
Series B Preferred Stock [Member]
Class Of Stock [Line Items]
Preferred stock, par value | $ / shares	0.001
Public Warrants [Member]
Class Of Stock [Line Items]
Common Stock, Par or Stated Value Per Share | $ / shares	$ 11.50
Class of Warrant or Right, Outstanding | shares	12,074,880
Private Warrants [Member]
Class Of Stock [Line Items]
Common Stock, Par or Stated Value Per Share | $ / shares	$ 11.50
Class of Warrant or Right, Outstanding | shares	384,000

Capital Structure - Schedule of

Capital Structure - Schedule of Conversions of Stock (Details)	Mar. 12, 2021shares
Conversion of Stock [Line Items]
Preferred Stock Shares	8,606,780
Common Stock Shares	78,120,214
Series Seed Preferred Stock [Member]
Conversion of Stock [Line Items]
Preferred Stock Shares	3,198,556
Exchange Ratio	9.07659
Common Stock Shares	29,031,982
Series A Convertible Preferred Stock (pre-combination) [Member]
Conversion of Stock [Line Items]
Preferred Stock Shares	2,851,057
Exchange Ratio	9.07659
Common Stock Shares	25,877,876
Series B Convertible Preferred Stock (pre-combination) [Member]
Conversion of Stock [Line Items]
Preferred Stock Shares	1,032,888
Exchange Ratio	9.07659
Common Stock Shares	9,375,100
Series B-1 Convertible Preferred Stock (pre-combination) [Member]
Conversion of Stock [Line Items]
Preferred Stock Shares	1,524,279
Exchange Ratio	9.07659
Common Stock Shares	13,835,256

Earnings (Loss) Per Share - Sch

Earnings (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net loss	$ (33,157)	$ (19,458)
Net loss attributable per share to common stockholders	$ (33,157)	$ (19,458)
Denominator:
Weighted average shares of common stock outstanding - Basic	216,017,186	163,955,593
Dilutive effect of potential common stock	0	0
Weighted average shares of common stock outstanding - Diluted	216,017,186	163,955,593
Net loss per share, basic and diluted	$ (0.15)	$ (0.12)

Earnings (Loss) Per Share - S_2

Earnings (Loss) Per Share - Schedule of Antidilutive Securities Excluded from Computation of Diluted Earnings Per Share (Details) - shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	19,616,608	18,508,834
Stock Options [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	12,787,299	17,073,617
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	6,829,309	1,435,217

Stock-based Compensation - Addi

Stock-based Compensation - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	4 years
Number of option outstanding	12,787,299	13,858,356
Restricted stock units, vesting period	3 years
One Year [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock units, vesting period	1 year
Six Months [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock units, vesting period	6 months
First 12 Months [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of stock options vesting	25.00%
Remaining 36 Months [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of stock options vesting	75.00%
Twenty Five Vesting Percentage [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock units, grant and typically vest percentage	25.00%
Twelve Point Five Vesting Percentage [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock units, grant and typically vest percentage	12.50%
2016 Stock Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock, Authorized	8,427,947
Equity Option [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation expense	$ 4.4
Unrecognized stock-based compensation expense, weighted average recognition period	1 year 8 months 12 days
Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Incremental stock based compensation expense	$ 2.7
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of option outstanding	6,829,309	6,631,079
Performance-Based Restricted Stock Units [Member] | Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation expense	$ 53.6
Restricted stock units expire period	10 years
Restricted stock units, vesting period	2 years 10 months 24 days

Stock-based Compensation - Sche

Stock-based Compensation - Schedule of Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Number of Options, Outstanding, Beginning	13,858,356
Number of Options, Exercised	(1,029,266)
Number of Options, Forfeited	(41,791)
Number of Options, Outstanding, Ending	12,787,299	13,858,356
Number of Options, Vested and exercisable	9,203,992
Number of Options, Vested and expected to vest	12,787,299
Weighted- Average Exercise Price, Outstanding, Beginning	$ 0.39
Weighted- Average Exercise Price, Exercised	0.18
Weighted- Average Exercise Price, Forfeited	0.46
Weighted- Average Exercise Price, Outstanding, Ending	0.40	$ 0.39
Weighted- Average Exercise Price, Vested and exercisable	0.36
Weighted- Average Exercise Price, Vested and expected to vest	$ 0.40
Weighted-Average Remaining Contractual Life (Years), Outstanding	7 years 3 months 7 days	7 years 5 months 19 days
Weighted-Average Remaining Contractual Life (Years), Vested and exercisable	7 years 1 month 6 days
Weighted-Average Remaining Contractual Life (Years), Vested and expected to vest	7 years 3 months 7 days
Aggregate Intrinsic Value, Outstanding	$ 50,210	$ 99,406
Aggregate Intrinsic Value, Vested and exercisable	36,580
Aggregate Intrinsic Value, Vested and expected to vest	$ 50,210

Stock-based Compensation - Sc_2

Stock-based Compensation - Schedule of Restricted Stock Activity (Details)	3 Months Ended
	Mar. 31, 2022$ / sharesshares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Outstanding, Beginning	13,858,356
Number of Options, Outstanding, Ending	12,787,299
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Outstanding, Beginning	6,631,079
Shares, Granted	980,697
Shares, Released	(671,621)
Shares, Forfeited	(110,846)
Number of Options, Outstanding, Ending	6,829,309
Weighted Average Graint Date Fair Value per Share, Outstanding, Beginning | $ / shares	$ 10.04
Weighted Average Graint Date Fair Value per Share, Granted | $ / shares	4.82
Weighted Average Grant Date Fair Value per Share, Released | $ / shares	10.11
Weighted Average Graint Date Fair Value per Share, Forfeited | $ / shares	10.86
Weighted Average Graint Date Fair Value per Share, Outstanding, Ending | $ / shares	$ 9.27

Stock-based Compensation - Summ

Stock-based Compensation - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 5,784	$ 4,513
Cost of Revenue [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation expense	136	0
Research and Development Expenses [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation expense	4,323	1,796
General and Administrative Expenses [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation expense	1,229	2,696
Sales and Marketing Expenses [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 96	$ 21

Income Taxes - Schedule of Inco

Income Taxes - Schedule of Income before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Domestic	$ (33,157)	$ (19,458)
Foreign	0	0
Loss before income taxes	$ (33,157)	$ (19,458)

Income Taxes - Additional Infor

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Federal provision for income taxes	$ 0	$ 0
State provision for income taxes	0	0
Provision for income taxes	$ 0	$ 0

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Loss Contingencies [Line Items]
Weighted average incremental borrowing rate	5.25%
Operating lease cost	$ 800	$ 300
Short-term lease costs	29	16
Variable lease costs	126	$ 25
Non-Cancelable Purchase Commitments [Member]
Loss Contingencies [Line Items]
Purchase commitments	$ 700

Commitments and Contingencies_2

Commitments and Contingencies - Summary of Maturity Analysis of the Annual Undiscounted Cash Flows of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jan. 01, 2021
Commitments and Contingencies Disclosure [Abstract]
Remainder of 2022	$ 2,507
2023	2,977
2024	2,748
2025	1,969
2026	290
Total minimum lease payments	10,491
Less: imputed interest	(860)
Total lease liability	$ 9,631	$ 1,700

Segment Information - Additiona

Segment Information - Additional Information (Details)	3 Months Ended
	Mar. 31, 2022Segment
Entity Wide Revenue Major Customer [Line Items]
Number of Operating Segments	1

Segment Information - Schedule

Segment Information - Schedule of Long-Lived Assets, by Geographical Areas (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 7,279	$ 5,136
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	6,722	4,676
Thailand [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	459	351
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 98	$ 109