| Organization and Significant Accounting Policies | AEROVIRONMENT, INC. NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS 1. Organization and Significant Accounting Policies Organization AeroVironment, Inc., a Delaware corporation, is engaged in the design, development, production, delivery and support of a technologically advanced portfolio of intelligent, multi-domain robotic systems and related services for government agencies and businesses. AeroVironment, Inc. supplies unmanned aircraft systems (“UAS”), tactical missile systems (“TMS”) and related services primarily to organizations within the U.S. Department of Defense (“DoD”) and to international allied governments. Significant Accounting Policies Principles of Consolidation The accompanying consolidated financial statements include the accounts of AeroVironment, Inc. and its wholly-owned subsidiaries: Arcturus UAV, Inc. (“Arcturus”) and AeroVironment, Inc. (Afghanistan), as well as the Company’s Turkish joint venture, Altoy Savunma Sanayi ve Havacilik Anonim Sirketi (“Altoy”) (collectively referred to herein as the “Company”). In February 2019, the Company dissolved AeroVironment International PTE. LTD., the results of which were not material to the consolidated financial statements. In October 2019, the Company dissolved its wholly-owned subsidiary, Skytower, Inc., the results of which were not material to the consolidated financial statements. On June 29, 2018, the Company completed the sale of substantially all of the assets and related liabilities of its efficient energy systems business segment (the “EES Business”) to Webasto Charging Systems, Inc. (“Webasto”) pursuant to an Asset Purchase Agreement (the “Purchase Agreement”) between Webasto and the Company. The Company determined that the EES Business met the criteria for classification as an asset held for sale at April 30, 2018 and represented a strategic shift in the Company’s operations. Therefore, the assets and liabilities and the results of operations of the EES Business are reported as discontinued operations for all periods presented. Refer to Note 2—Discontinued Operations for further details. On June 10, 2019, the Company purchased 100% of the issued and outstanding member units of Pulse Aerospace, LLC (“Pulse”) pursuant to the terms of a Unit Purchase Agreement (the “Pulse Purchase Agreement”). The assets, liabilities and operating results of Pulse have been included in the Company’s consolidated financial statements. In February 2021, the Company dissolved its wholly-owned subsidiary, Pulse Aerospace, LLC, the results of which were not material to the consolidated financial statements. Refer to Note 21—Business Acquisitions for further details. On February 19, 2021, the Company closed its acquisition of Arcturus, a California corporation pursuant to a Stock Purchase Agreement (the “Arcturus Purchase Agreement”) with Arcturus and each of the shareholders and other equity interest holders of Arcturus (collectively, the “Arcturus Sellers”), to purchase 100% of the issued and outstanding equity of Arcturus (the “Arcturus Acquisition”). The assets, liabilities and operating results of Arcturus have been included in the Company’s consolidated financial statements. Refer to Note 21—Business Acquisitions for further details. On February 23, 2021, the Company purchased certain assets of, and assumed certain liabilities of, the Intelligent Systems Group business segment (“ISG”) of Progeny Systems Corporation, a Virginia corporation (the “ISG Seller”), pursuant to the terms of an Asset Purchase Agreement (the “ISG Purchase Agreement”) of the same date by and among the Company, ISG Seller and the sole shareholder of ISG Seller (the “Beneficial Owner,” and such acquisition of ISG, the “ISG Acquisition”). The assets, liabilities and operating results of ISG have been included in the Company’s consolidated financial statements. Refer to Note 21—Business Acquisitions for further details. Investments in Companies Accounted for Using the Equity or Cost Method Investments in other non-consolidated entities are accounted for using the equity method or cost basis depending upon the level of ownership and/or the Company’s ability to exercise significant influence over the operating and financial policies of the investee. When the equity method is used, investments are recorded at original cost and adjusted periodically to recognize the Company’s proportionate share of the investees’ net income or losses after the date of investment. When net losses from an investment accounted for under the equity method exceed its carrying amount, the investment balance is reduced to zero and additional losses are not provided for as the Company is not obligated to provide additional capital. The Company resumes accounting for the investment under the equity method if the entity subsequently reports net income and the Company’s share of that net income exceeds the share of net losses not recognized during the period the equity method was suspended. When an investment accounted for using the equity method issues its own shares, the subsequent reduction in the Company’s proportionate interest in the investee is reflected in equity as an adjustment to paid-in-capital. The Company evaluates its investments in companies accounted for by the equity or cost method for impairment when there is evidence or indicators that a decrease in value may be other than temporary. In December of 2017, the Company and SoftBank Corp. (“SoftBank”) formed a joint venture, HAPSMobile Inc. (“HAPSMobile”). As the Company has the ability to exercise significant influence over the operating and financial policies of HAPSMobile, the Company’s investment is accounted as an equity method investment. The Company has presented its proportion of HAPSMobile’s net loss in equity method investment loss, net of tax in the consolidated statement of operations. The carrying value of the investment in HAPSMobile was recorded in other assets. Refer to Note 9 – Equity Method Investments for further details. In July 2019, the Company made its initial capital contribution to a limited partnership fund focusing on highly relevant technologies and start-up companies serving defense and industrial markets. The Company accounts for investments in limited partnerships as equity method investments as the Company is deemed to have influence when it holds more than a minor interest. Refer to Note 9 – Equity Method Investments for further details. Segments Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated regularly by the Chief Operating Decision Maker (“CODM”) in deciding how to allocate resources and in assessing performance. The Company’s CODM, who is the Chief Executive Officer, makes operating decisions, assesses performance and makes resource allocation decisions, including the focus of research and development (“R&D”), based on UAS and MUAS operating units. Accordingly, the Company operates its business as two reportable segments, UAS and MUAS. Use of Estimates The preparation of consolidated financial statements in conformity with generally accepted accounting principles in the United States requires management to make estimates and assumptions. These estimates and assumptions 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 revenue and expenses during the reporting period. Significant estimates made by management include, but are not limited to, valuation of: inventory, available-for-sale securities, acquired intangibles, goodwill, deferred tax assets and liabilities, useful lives of property, plant and equipment, medical and dental liabilities, warranty liabilities, long-term incentive plan liabilities and estimates of anticipated contract costs and transaction price utilized in the revenue recognition process. Actual results could differ from those estimates. Reclassifications Certain prior year amounts have been reclassified to conform to the current year presentation. Specifically, the Company’s existing intangible assets have been reclassified from other assets to intangibles, net on the consolidated balance sheet for all periods presented. Cash Equivalents The Company considers all highly liquid investments with an original maturity of three months or less at the time of purchase to be cash equivalents. The Company’s cash equivalents are comprised of money market funds, certificates of deposit of major financial institutions, and U.S. Treasury bills. Restricted Cash The Company classifies cash accounts which are not available for general use as restricted cash. Pursuant to the terms of the Arcturus Purchase Agreement, the Company maintains escrow accounts to address final purchase price adjustments post-Arcturus Closing, if any and to address Arcturus UAV’s and/or the Sellers’ indemnification obligations. The restricted funds in the escrow account are recorded in other assets on the consolidated balance sheet. As of April 30, 2021 restricted cash was $8,322,000. The Company had no restricted cash as of April 30, 2020. Investments The Company’s investments are accounted for as held-to-maturity reported at amortized cost and available-for-sale reported at fair value. Unrealized gains and losses are excluded from earnings and reported as a separate component of stockholders’ equity, net of deferred income taxes for available-for-sale investments. Gains and losses realized on the disposition of investment securities are determined on the specific identification basis and credited or charged to income. Premium and discount on investments are amortized and accreted using the interest method and charged or credited to investment income. Management determines the appropriate classification of securities at the time of purchase and re-evaluates such designation as of each balance sheet date. Investments are considered to be impaired when a decline in fair value is judged to be other-than-temporary. On a quarterly basis, the Company considers available quantitative and qualitative evidence in evaluating potential impairment of its investments. If the cost of an investment exceeds its fair value, the Company evaluates, among other factors, general market conditions, the duration and extent to which the fair value is less than cost, and its intent and ability to hold the investment to maturity. The Company also considers potential adverse conditions related to the financial health of the issuer based on rating agency actions. Once a decline in fair value is determined to be other-than-temporary, an impairment charge is recorded in earnings and a new cost basis in the investment is established. Fair Values of Financial Instruments Fair values of cash and cash equivalents, accounts receivable, unbilled receivables, retentions and accounts payable approximate cost due to the short period of time to maturity. Concentration of Credit Risk Financial instruments that potentially subject the Company to concentration of credit risk consist primarily of cash, cash equivalents, municipal bonds, U.S. government securities, U.S. government-guaranteed agency securities, U.S. government sponsored agency debt securities, highly rated commercial paper, highly rated corporate bonds, and accounts receivable. The Company currently invests the majority of its cash in municipal bonds, U.S. government securities, U.S. government-guaranteed agency securities, U.S. government sponsored agency debt securities and highly rated corporate bonds. The Company’s revenue and accounts receivable are with a limited number of corporations and governmental entities. In the aggregate, 69%, 61% and 58% of the Company’s revenue came from agencies of the U.S. government for the years ended April 30, 2021, 2020 and 2019, respectively. These agencies accounted for 64% and 62% of the accounts receivable balances at April 30, 2021 and 2020, respectively. One such agency, the U.S. Army, accounted for 34%, 32% and 28% of the Company’s consolidated revenue for the years ended April 30, 2021, 2020 and 2019, respectively. The Company performs ongoing credit evaluations of its commercial customers and maintains an allowance for potential losses. Accounts Receivable, Unbilled Receivables and Retentions Accounts receivable represents primarily U.S. government and allied foreign governments, and to a lesser extent commercial receivables, net of allowances for doubtful accounts. Unbilled receivables represent costs in excess of billings on incomplete contracts and, where applicable, accrued profit related to government long-term contracts on which revenue has been recognized, but for which the customer has not yet been billed. Unbilled receivables are considered contract assets. Retentions represent amounts withheld by customers until contract completion. At April 30, 2021 and 2020, the retention balances were $700,000 and $717,000, respectively. The Company determines the allowance for doubtful accounts based on historical customer experience, age of receivable and other currently available evidence. When a specific account is deemed uncollectible, the account is written off against the allowance. The allowance for doubtful accounts reflects the Company’s best estimate of expected credit losses over the life of the receivable; such losses have historically been within management’s expectations. An account is deemed past due based on contractual terms rather than on how recently payments have been received. Inventories Inventories are stated at the lower of cost (using the weighted average costing method) or net realizable value. Inventory write-offs and write-down provisions are provided to cover risks arising from slow-moving items or technological obsolescence and for market prices lower than cost. The Company periodically evaluates the quantities on hand relative to current and historical selling prices and historical and projected sales volume. Based on this evaluation, provisions are made to write inventory down to its net realizable value. Long-Lived Assets Property and equipment are carried at cost. Depreciation of property and equipment, including amortization of leasehold improvements, are provided using the straight-line method over the following estimated useful lives: Machinery and equipment 2 - 7 years Computer equipment and software 2 - 5 years In-service ISR assets 3 years Furniture and fixtures 3 - 7 years Leasehold improvements Lesser of useful life or term of lease Maintenance, repairs and minor renewals are charged directly to expense as incurred. Additions and betterments to property and equipment are capitalized at cost. When the Company disposes of assets, the applicable costs and accumulated depreciation and amortization thereon are removed from the accounts and any resulting gain or loss is included in selling, general and administrative (“SG&A”) expense in the period incurred. The Company reviews the recoverability of its long-lived assets whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. The estimated future cash flows are based upon, among other things, assumptions about expected future operating performance, and may differ from actual cash flows. If the sum of the projected undiscounted cash flows (excluding interest) is less than the carrying value of the assets, the assets will be written down to the estimated fair value in the period in which the determination is made. During the fiscal year ended April 30, 2019, the Company recorded an impairment loss of $4,398,000 related to the long-lived assets of its commercial UAS Quantix solution. Refer to Note 8 – Property and equipment, net. Intangibles Assets — Acquired in Business Combinations The Company performs valuations of assets acquired and liabilities assumed on each acquisition accounted for as a business combination and allocates the purchase price of the acquired business to the respective net tangible and intangible assets. Acquired intangible assets include technology, in-process research and development, customer relationships, trademarks and tradenames, and non-compete agreements. The Company determines the appropriate useful life by performing an analysis of expected cash flows based on historical experience of the acquired businesses. Intangible assets are amortized over their estimated useful lives using the straight-line method which approximates the pattern in which the economic benefits are consumed. The estimated useful life for the Company’s intangible assets are as follows: Technology 3 Licenses 3 years Customer relationships 3 - 5 years In-process research and development 3 years Trademarks and tradenames 6 years Non-compete agreements Contractual term The Company monitors conditions related to these assets to determine whether events and circumstances warrant a revision to the remaining amortization period. The Company tests its intangible assets with finite lives for potential impairment whenever management concludes events or changes in circumstances indicate that the carrying amount may not be recoverable. The original estimate of an asset's useful life and the impact of an event or circumstance on either an asset's useful life or carrying value involve significant judgment. No impairment was recorded for the fiscal years ended April 30, 2021, 2020 or 2019. Goodwill Goodwill represents the excess of the cost of an acquired entity over the fair value of the acquired net assets. Goodwill is tested for impairment annually during the fourth quarter of the Company’s fiscal year or when events or circumstances change in a manner that indicates goodwill might be impaired. Events or circumstances that could trigger an impairment review include, but are not limited to, a significant adverse change in legal factors or in the business or political climate, an adverse action or assessment by a regulator, unanticipated competition, a loss of key personnel, significant changes in the manner of the Company’s use of the acquired assets or the strategy for the Company’s overall business, significant negative industry or economic trends or significant underperformance relative to projected future results of operations. No impairment was recorded for the fiscal years ended April 30, 2021, 2020 or 2019. Product Warranty The Company accrues an estimate of its exposure to warranty claims based upon both current and historical product sales data and warranty costs incurred. Product warranty reserves are recorded in other current liabilities. Accrued Sales Commissions As of April 30, 2021 and 2020, the Company accrued sales commissions in other current liabilities of $2,716,000 and $2,842,000, respectively. Self-Insurance Liability The Company is self-insured for employee medical claims, subject to individual and aggregate stop loss policies. The Company estimates a liability for claims filed and incurred but not reported based upon recent claims experience and an analysis of the average period of time between the occurrence of a claim and the time it is reported to and paid by the Company. As of April 30, 2021 and 2020, the Company estimated and recorded a self-insurance liability in wages and related accruals of approximately $1,181,000 and $753,000, respectively. Income Taxes Deferred income tax assets and liabilities are computed annually for differences between the financial statement and income tax bases of assets and liabilities that will result in taxable or deductible amounts in the future. The provision for income taxes reflects the taxes to be paid for the period and the change during the period in the deferred income tax assets and liabilities. The Company records a valuation allowance to reduce the deferred tax assets to the amount of future tax benefit that is more likely than not to be realized. For uncertain tax positions, the Company determines whether it is “more likely than not” that a tax position will be sustained upon examination by the appropriate taxing authorities before any part of the benefit can be recorded in the financial statements. For those tax positions where it is “not more likely than not” that a tax benefit will be sustained, no tax benefit is recognized. Where applicable, associated interest and penalties are also recorded. Customer Advances and Amounts in Excess of Cost Incurred The Company receives advances, performance-based payments and progress payments from customers that may exceed costs incurred on certain contracts, including contracts with agencies of the U.S. government resulting in contract liabilities. These advances are classified as customer advances and will be offset against billings. Revenue Recognition The Company’s revenue is generated pursuant to written contractual arrangements to design, develop, manufacture and/or modify complex products, and to provide related engineering, technical and other services according to the specifications of the customers. These contracts may be firm fixed price (“FFP”), cost plus fixed fee (“CPFF”), or time and materials (“T&M”). The Company considers all such contracts to be within the scope of ASC Topic 606, Revenue from Contracts with Customers Performance Obligations A performance obligation is a promise in a contract to transfer distinct goods or services to a customer, and it is the unit of account in ASC 606. A contract’s transaction price is allocated to each distinct performance obligation and revenue is recognized when each performance obligation under the terms of a contract is satisfied. Revenue is measured at the amount of consideration the Company expects to receive in exchange for transferring goods or providing services. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using its observable standalone selling price for products and services. When the standalone selling price is not directly observable, the Company uses its best estimate of the standalone selling price of each distinct good or service in the contract using the cost plus reasonable margin approach. This approach estimates the Company’s expected costs of satisfying the performance obligation and then adds an appropriate margin for that distinct good or service. Contract modifications are routine in the performance of the Company’s contracts. In most instances, contract modifications are for additional goods and/or services that are distinct and, therefore, accounted for as new contracts. The Company’s performance obligations are satisfied over time, which accounted for 43% of revenue during our fiscal year ended April 30, 2021, or at a point in time, 57%. Performance obligations are satisfied over time if the customer receives the benefits as the Company performs, if the customer controls the asset as it is being developed or produced, or if the product being produced for the customer has no alternative use and the Company has a contractual right to payment for the Company’s costs incurred to date plus a reasonable margin. The contractual right to payment is generally supported by termination for convenience clauses that allow the customer to unilaterally terminate the contract for convenience, pay the Company for costs incurred plus a reasonable profit, and take control of any work in process. Revenue for TMS product deliveries and Customer-Funded R&D contracts is recognized over time as costs are incurred. Contract services revenue is composed of revenue recognized on contracts for the provision of services, including repairs and maintenance, training, engineering design, development and prototyping activities, and technical support services. Contract services revenue is recognized over time as services are rendered. Typically, revenue is recognized over time using an input measure (e.g., costs incurred to date relative to total estimated costs at completion) to measure progress. Contract services revenue, including ISR services, is recognized over time as services are rendered. The Company elected the right to invoice practical expedient in which if an entity has a right to consideration from a customer in an amount that corresponds directly with the value to the customer of the entity’s performance completed to date, such as flight hours for ISR services, the entity may recognize revenue in the amount to which the entity has a right to invoice. Training services are recognized over time using an output method based on days of training completed. For performance obligations satisfied over time, revenue is generally recognized using costs incurred to date relative to total estimated costs at completion to measure progress. Incurred costs represent work performed, which correspond with, and thereby best depict, transfer of control to the customer. Contract costs include labor, materials, subcontractors’ costs, other direct costs, and indirect costs applicable on government and commercial contracts. For performance obligations which are not satisfied over time per the aforementioned criteria above, revenue is recognized at the point in time in which each performance obligation is fully satisfied. The Company’s small and medium UAS product sales revenue is composed of revenue recognized on contracts for the delivery of small UAS systems and spare parts. Revenue is recognized at the point in time when control transfers to the customer, which generally occurs when title and risk of loss have passed to the customer. On April 30, 2021, the Company had approximately $211,796,000 of remaining performance obligations under contracts with its customers, which the Company also refers to as backlog. The Company currently expects to recognize approximately 94% of the remaining performance obligations as revenue in fiscal 2022 2023 The Company collects sales, value add, and other taxes concurrent with revenue producing activities, which are excluded from revenue when they are both imposed on a specific transaction and collected from a customer. Contract Estimates Accounting for contracts and programs primarily with a duration of less than six months involves the use of various techniques to estimate total contract revenue and costs. For long-term contracts, the Company estimates the total expected costs to complete the contract and recognizes revenue based on the percentage of costs incurred at period end. Typically, revenue is recognized over time using costs incurred to date relative to total estimated costs at completion to measure progress toward satisfying the Company’s performance obligations. Incurred costs represent work performed, which corresponds with, and thereby best depicts, the transfer of control to the customer. Contract costs include labor, materials, subcontractors’ costs, other direct costs, and indirect costs applicable on government and commercial contracts. Contract estimates are based on various assumptions to project the outcome of future events that may span several years. These assumptions include labor productivity and availability, the complexity of the work to be performed, the cost and availability of materials, the performance of subcontractors, and the availability and timing of funding from the customer. The nature of the Company’s contracts gives rise to several types of variable consideration, including penalty fees and incentive awards generally for late delivery and early delivery, respectively. The Company generally estimates such variable consideration as the most likely amount. In addition, the Company includes the estimated variable consideration to the extent that it is probable that a significant reversal in the amount of cumulative revenue recognized will not occur when the related uncertainty is resolved. These estimates are based on historical award experience, anticipated performance and the Company’s best judgment at the time. Because of the certainty in estimating these amounts, they are included in the transaction price of the Company’s contracts and the associated remaining performance obligations. As a significant change in one or more of these estimates could affect the profitability of the Company’s contracts, the Company regularly reviews and updates its contract-related estimates. Changes in cumulative revenue estimates, due to changes in the estimated transaction price or cost estimates, are recorded using a cumulative catch-up adjustment in the period identified for contracts with performance obligations recognized over time. If at any time the estimate of contract profitability indicates an anticipated loss on the contract, the Company recognizes the total loss in the quarter it is identified. The impact of adjustments in contract estimates on the Company’s operating earnings can be reflected in either operating costs and expenses or revenue. The aggregate impact of adjustments in contract estimates on revenue related to performance obligations satisfied or partially satisfied in previous periods was not significant for the years ended April 30, 2021, 2020 or 2019. During the year ended April 30, 2021, the Company revised its estimates of the total expected costs to complete a TMS contract. The aggregate impact of these adjustments in contract estimates on revenue related to performance obligations satisfied or partially satisfied in previous periods was a decrease to revenue of approximately $1,041,000. During the year ended April 30, 2020, the Company revised its estimates of the total expected costs to complete a TMS contract and a contract associated with a design and development agreement. The aggregate impact of these adjustments in contract estimates on revenue related to performance obligations satisfied or partially satisfied in previous periods was a decrease of approximately $1,403,000 and an increase of approximately $1,099,000, respectively. No adjustment on any one contract was material to the Company’s consolidated financial statements for the years ended April 30, 2019. Revenue by Category The following tables present the Company’s revenue disaggregated by major product line, contract type, customer category and geographic location (in thousands): Year Ended April 30, Revenue by major product line/program 2021 2020 2019 Small UAS $ 235,854 $ 225,888 $ 183,157 MUAS 15,837 — — TMS 87,268 63,781 65,087 HAPS 42,426 60,864 55,407 Other 13,527 16,763 10,623 Total revenue $ 394,912 $ 367,296 $ 314,274 Year Ended April 30, Revenue by contract type 2021 2020 2019 FFP $ 307,413 $ 269,917 $ 224,090 CPFF 86,719 94,176 89,485 T&M 780 3,203 699 Total revenue $ 394,912 $ 367,296 $ 314,274 Each of these contract types presents advantages and disadvantages. Typically, the Company assumes more risk with FFP contracts. However, these types of contracts generally offer additional profits when the Company completes the work for less than originally estimated. CPFF contracts generally subject the Company to lower risk. Accordingly, the associated base fees are usually lower than fees on FFP contracts. Under T&M contracts, the Company’s profit may vary if actual labor hour rates vary significantly from the negotiated rates. Year Ended April 30, Revenue by customer category 2021 2020 2019 U.S. government $ 271,273 $ 225,341 $ 182,586 Non-U.S. government 123,639 141,955 131,688 Total revenue $ 394,912 $ 367,296 $ 314,274 Year Ended April 30, Revenue by geographic location 2021 2020 2019 Domestic $ 241,898 $ 201,046 $ 151,124 International 153,014 166,250 163,150 Total revenue $ 394,912 $ 367,296 $ 314,274 Contract Balances The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables, and customer advances and deposits on the consolidated balance sheet. In the Company’s services contracts, amounts are billed as work progresses in accordance with agreed-upon contractual terms, either at periodic intervals, which is generally monthly, or upon the achievement of contractual milestones. Generally, billing occurs subsequent to revenue recognition, resulting in contract assets recorded in unbilled receivables and retentions on the consolidated bal |
