SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | 2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation Our consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). Intercompany accounts and transactions have been eliminated. In the opinion of management, the consolidated financial statements reflect all adjustments, which are normal and recurring in nature, necessary for fair financial statement presentation. Use of Estimates The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions for the reporting period and as of the date of the financial statements. These estimates and assumptions affect the reported amounts of assets, liabilities, the disclosure of contingent liabilities and the reported amounts of revenue and expense. Actual results could differ from these estimates. Cash and Cash Equivalents The Company considers all highly liquid investments purchased with an original maturity of 3 months or less to be cash equivalents. As of December 31, 2021 and 2020, cash and cash equivalents consisted of bank deposits, money market placements and demand deposits with third-party payment platforms. Restricted Cash Restricted cash includes amounts required by the Ally FLOC (See Note 7 - Borrowings), letters of credit required in conjunction with lease agreements and collateral related to state licensing requirements. As of December 31, 2021 and 2020, the restricted cash balance was $11.7 million and $1.6 million, respectively. Accounts Receivable, Net Accounts receivable are primarily due from auction facilities and partner financial institutions that provide financing to our customers, and are recorded net of any allowance for doubtful accounts. The allowance for doubtful accounts is estimated based upon historical experience, current economic conditions and other factors and is evaluated periodically. As of December 31, 2021 and 2020, the allowance for doubtful accounts was $0.3 million and $46 thousand, respectively. Write-offs were immaterial during the years ended December 31, 2021 and 2020. Concentrations of Credit Risk and Other Uncertainties Financial instruments that potentially subject the Company to concentration of credit risk consist of cash and cash equivalents and accounts receivable. Substantially all of the Company’s cash and cash equivalents were deposited in accounts at two financial institutions, and account balances may at times exceed federally insured limits. Management believes that the Company is not exposed to significant credit risk due to the financial strength of the depository institution in which the cash is held. Credit risk with respect to accounts receivable is generally not significant due to diversity of the Company’s customers. The Company routinely assesses the creditworthiness of its customers. The Company generally has not experienced any material losses related to receivables from individual customers, or groups of customers during the years ended December 31, 2021 and 2020. The Company does not require collateral. Due to these factors, no additional credit risk beyond amounts provided for collection losses is believed by management to be probable in the Company’s accounts receivable. As of December 31, 2021, receivables from one retail lending institution accounted for 24% of the Company's accounts receivable balance. As of December 31, 2020, receivables from three entities accounted for 58% of the Company’s accounts receivable balance. For the years ended December 31, 2021 and 2020, no customers accounted for more than 10% of the Company’s revenue. Inventory Inventory consists of used vehicles, primarily acquired through auction and individual sellers, as well as some vehicles sourced locally through the trade-in program of an OEM. Inventory is stated at the lower of cost or net realizable value. Acquisition costs and vehicle reconditioning costs, including parts, applied labor, unapplied labor, inbound transportation costs and other incremental costs, are allocated to inventory via specific identification At December 31, 2021 and 2020, inventory was stated at the lower of cost or net realizable value. Net realizable value is the estimated selling price less costs to complete, dispose and transport the vehicles. Estimated selling price is derived from historical data and trends, such as sales price and average days to sell similar vehicles, along with independent market resources. Each reporting period the Company recognizes any necessary adjustments to reflect vehicle inventory at the lower of cost or net realizable value through cost of sales in the accompanying consolidated statements of operations and comprehensive loss. For the years ended December 31, 2021 and 2020, the Company charged $2.5 million and $0.5 million to cost of sales to reduce the carrying value of inventory to net realizable value. Property and Equipment, Net Property and equipment consists of equipment, furniture, fixtures and leasehold improvements and is recorded at cost less of accumulated depreciation. Major replacements and improvements are capitalized, while general repairs and maintenance are expensed as incurred. Depreciation is computed using the straight-line method over the estimated useful life of the related assets: Equipment 3 to 5 years Furniture and fixtures 3 years Leasehold improvements Lesser of useful life or lease term Software Development Costs, Net The Company capitalizes costs associated with customized internal-use software systems that have reached the application development stage. Such capitalized costs include external direct costs utilized in developing or obtaining the applications and payroll and payroll-related expenses for employees who are directly associated with the applications. Capitalization of such costs begins when the preliminary project stage is complete and ceases at the point in which the project is substantially complete and ready for its intended purpose. Amortization is computed using the straight-line method, generally over three years. Impairment of Long-Lived Assets The Company evaluates its long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to future undiscounted net cash flows expected to be generated by the asset. If such assets are impaired, the impairment to be recognized is measured by the amount by which the carrying value exceeds the fair value of such assets. The Company recognized no impairment losses during the years ended December 31, 2021 and 2020. Deferred Borrowing Costs Deferred borrowing costs associated with long-term debt facilities are recorded as a reduction to long term debt and amortized into interest expense over the expected term of the related facility. Deferred borrowing costs associated with revolving facilities and lines of credit are recorded as a long-term assets on the consolidated balance sheet and amortized over the expected term of the related facility. Any unamortized deferred borrowing costs upon extinguishment of debt facilities are written off to interest expense on the consolidated statements of operations and comprehensive loss. See Note 7 -Borrowings and Note 10 - Related Party Transactions for further discussion regarding the deferred borrowing costs. Revenue Recognition The Company recognizes revenue in accordance with ASC 606, which prescribes a five-step model that includes: (1) identify the contract; (2) identify the performance obligations; (3) determine the transaction price; (4) allocate the transaction price to the performance obligations; and (5) recognize revenue when (or as) performance obligations are satisfied. The Company recognizes revenue upon transfer of control of goods or services to customers, in an amount that reflects the consideration to which the Company expects to be entitled in exchange for those goods or services. Control passes to the customer at the time of delivery or pick-up. The Company may collect sales taxes and other taxes from customers on behalf of governmental authorities at the time of sale as required. These taxes are accounted for on a net basis and are not included in revenues or cost of sales. The Company has provided cash or non-cash payments to a related party customer, including in the form of equity (see Note 10 - Related Party Transactions). In such cases the Company accounts for such payments under the guidance for consideration payable to a customer and considers whether such amount should be reflected as contra-revenue. The Company recognizes revenue at a point in time as described below. Ecommerce Revenue The Company sells used vehicles to its retail customers through its platform. The price for used vehicles is the stand-alone selling price as set forth in the customer contract. Customers frequently trade-in their existing vehicle to apply toward the price of a used vehicle, which is included in the transaction price as non-cash consideration at the stated trade-in value within the contract. The Company satisfies its performance obligation and recognizes revenue for used vehicle sales at a point in time when the vehicles are delivered to or picked up by the customer. The revenue recognized by the Company is the amount equal to the stand-alone selling price, including any service fees, less any discounts and an estimate for returns. Revenue excludes any sales taxes, title and registration fees, and other government fees that are collected from customers. The Company receives payment for vehicle sales directly from the customer at the time of sale or, if the customer uses financing, from third-party financial institutions within a short period of time following the sale. Any payments received prior to the delivery or pick-up of used vehicles are recorded as deferred revenue within accrued expenses and other current liabilities on the consolidated balance sheets until delivery or pick-up occurs, typically within 7 days. The Company’s return policy allows customers to initiate a return during the first seven days or 200 miles after delivery (whichever comes first). Ecommerce vehicle revenue is recognized net of a reserve for returns, which is estimated using historical experience and trends. The reserve for estimated returns is presented gross on the consolidated balance sheets, with an asset recorded in prepaid expenses and other current assets and a refund liability recorded in accrued expenses and other current liabilities. The impact of the returns reserve is immaterial. Other Revenue The Company provides buyers on its platform with options for financing, insurance, and extended warranties, as well as other value-added products such as vehicle service contracts, gap waiver protection and wheel and tire coverage. All such services are provided by unrelated third-party vendors and the Company has agreements with each of these vendors giving the Company the right to offer such services on its platform. When a buyer selects a service from these providers, the Company earns a commission based on the actual price paid or financed. The Company concluded that it is an agent for these transactions because it does not control the products before they are transferred to the customer. Accordingly, the Company recognizes commission revenue at the time of sale. In the event that a customer prematurely cancels certain finance and insurance products, the Company may be obligated to return all or part of its commission. Other revenue is recognized net of a reserve for cancellations, which is estimated using historical experience and trends. The reserve for estimated cancellations at December 31, 2021 and 2020 was $2.3 million and $0.8 million, respectively, and is presented in accrued expenses and other current liabilities on the consolidated balance sheets. Wholesale Vehicle Revenue The Company sells vehicles through wholesale auctions. These vehicles sold to wholesalers are primarily acquired from customers who trade-in their existing vehicles and such vehicles do not meet the Company’s quality standards to list and sell through its website. The Company satisfies its performance obligation and recognizes revenue for wholesale vehicle sales at a point in time when the vehicle is sold at auction or directly to a wholesaler. The transaction price is typically due and collected within one week of the date of the sale. In December 2018, the Company agreed to sell cars to Lithia Motors, Inc. under a one-sided marketplace ("OSM") program whereby the Company acquires cars primarily from consumers in Oxnard, California and re-sells them to Lithia. The Company recognizes revenue at the agreed upon purchase price stated in the contract, plus charges such as repairs. Payment is normally made within two weeks of delivery. Costs to obtain and fulfill a contract The Company elected, as a practical expedient, to expense sales commissions when incurred because the amortization period would have been less than one year. These costs are recorded within selling, general and administrative expenses on the consolidated statements of operations and comprehensive loss. Cost of Sales Cost of sales includes the cost to acquire used vehicles and direct and indirect vehicle reconditioning costs associated with preparing the vehicles for resale. Vehicle reconditioning costs include parts, labor, inbound transportation costs and other incremental costs. These costs include inbound shipping costs of purchased vehicles, mechanical inspection, vehicle preparation supplies and repair costs necessary for reconditioning the vehicle for resale. Cost of sales also includes any necessary adjustments to reflect vehicle inventory at the lower of cost or net realizable value. Shipping and Handling The Company’s logistics costs related to transporting its used vehicle inventory primarily includes third-party transportation fees. The portion of these costs related to inbound transportation from the point of acquisition to the relevant reconditioning facility is included in cost of sales when the related used vehicle is sold. Logistics costs not included in cost of sales are accounted for as costs to fulfill contracts with customers and are included in selling, general and administrative expenses in the consolidated statements of operations and comprehensive loss and were $8.1 million and $1.9 million during the years ended December 31, 2021 and 2020, respectively, excluding compensation and benefits. Selling, General and Administrative Expenses Selling, general and administrative expenses primarily include compensation and benefits, advertising, facilities costs, technology expenses and other administrative expense. Selling, general and administrative expenses excludes costs to recondition vehicles and inbound transportation, which are included in costs of sales, as well as payroll and stock-based compensation costs capitalized to website and internal-use software development costs. For the years ended December 31, 2021 and 2020, advertising expense was $49.8 million and $21.6 million, respectively. Advertising costs are expensed as incurred. Stock-Based Compensation Expense Stock-based compensation expense related to awards to employees are measured at the grant date based on the fair value of the award. The fair value of the award is expensed on a straight-line basis over the requisite service period, which is generally the vesting period. The Company elects to account for forfeitures as they occur by reversing compensation cost when awards are forfeited. Exercises of option awards are settled by issuing new shares. See Note 9 - Stock-Based Compensation Plans for additional information on stock-based compensation. Convertible Preferred Stock Warrant Liability Warrants for shares that were contingently redeemable were classified as liabilities in the consolidated balance sheets. At initial recognition, the Company classifies these warrants as liabilities on the balance sheets at their estimated fair value. The preferred warrants are subject to remeasurement at each balance sheet date, with changes in fair value recognized in change in fair value of financial instruments on the consolidated statements of operations and comprehensive loss. All outstanding convertible preferred stock warrants were settled prior to the Merger. See Note 3 - Merger for additional information these warrants. Common Stock Warrant Prior to the Merger on October 13, 2020, all outstanding common stock warrants issued by Legacy Shift were settled. As a result of the Merger the Company assumed IAC’s 7,745,000 outstanding common stock warrants. In December 2020, the Company issued a tender offer to repurchase these warrants in exchange for 0.25 shares of Class A common stock and $1.00 in cash each. See Note 3 - Merger and Note 8 - Stockholders' Equity for additional information. Interest and Other Income Interest and other income is comprised of bank interest and other miscellaneous items. Interest Expense Interest expense includes interest incurred from the Convertible Notes and the flooring line of credit facilities, as well as the amortization of deferred borrowing costs, debt discounts and other miscellaneous items. Fair Value Measurements Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or liability. The authoritative guidance on fair value measurements establishes a three-tier fair value hierarchy for disclosure of fair value measurements as follows: Level 1 — Quoted prices in active markets for identical assets or liabilities. Level 2 — Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices 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 assets or liabilities. Level 3 — Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. Assets and liabilities measured at fair value are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires management to make judgments and consider factors specific to the asset or liability. During the years ended December 31, 2021 and December 31, 2020, all liability-classified financial instruments that were remeasured on a recurring basis were valued using Level 3 inputs. The determination of the fair value of the Lithia warrants subject to remeasurement was based on the Black-Scholes valuation model, which requires significant estimates including the expected volatility of our common stock, expected dividend yield, option term and risk-free rate. The fair value of the Escrow Shares was determined using a Monte Carlo valuation model, which requires significant estimates including the expected volatility of our common stock. The liability arising from the Escrow Shares was included in financial instruments liability in the consolidated balance sheets as of December 31, 2020. On October 13, 2021, the Escrow Shares were remeasured at fair value using a Monte Carlo valuation model and reclassified to additional paid-in capital on the consolidated balance sheets. The expected annual volatility of our common stock was estimated to be 61.24% and 60.93% as of October 13, 2021 and December 31, 2020, respectively, based on the historical volatility of comparable publicly traded companies. The table below illustrates the changes in the fair value of the Company’s Level 3 financial instruments liability: (in thousands) 2021 2020 Balance as of January 1, $ 25,230 $ 4,810 Remeasurement of Lithia warrants — 9,496 Exercise of Series C and Lithia Warrants prior to the Merger — (14,306) Issuance of Escrow Shares in connection with the Merger — 59,477 Remeasurement of Escrow Shares liability (18,893) (34,247) Reclassification of Escrow Shares liability to additional paid-in capital $ (6,337) — Balance as of December 31 $ — $ 25,230 All Legacy Shift warrants outstanding prior to the merger were exercised and settled via net share settlement. The number of shares issued upon the exercise of the warrants was reduced in lieu of cash payment for the exercise price of the warrants. There were no warrants outstanding at December 31, 2021. Income Taxes The Company accounts for income taxes using the asset and liability method. The Company recognizes deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements or tax returns. Deferred tax assets and liabilities are determined based on the difference between the financial statement and tax basis of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. In evaluating the ability to recover its deferred income tax assets, the Company considers all available positive and negative evidence, including its operating results, ongoing tax planning and forecasts of future taxable income on a jurisdiction-by-jurisdiction basis. In the event the Company determines that it would be able to realize its deferred tax assets in the future in excess of their net recorded amount, it would make an adjustment to the valuation allowance that would reduce the provision for income taxes. Conversely, in the event that all or part of the net deferred tax assets are determined not to be realizable in the future, an adjustment to the valuation allowance would be charged to earnings in the period when such determination is made. As of December 31, 2021 and 2020, respectively, the Company recorded a full valuation allowance on its deferred tax assets. Tax benefits related to uncertain tax positions are recognized when it is more likely than not that a tax position will be sustained during an audit. Interest and penalties related to unrecognized tax benefits are included within the provision for income tax. Net Loss Per Share Attributable to Common Stockholders Basic and diluted net loss per share attributable to common stockholders is presented in conformity with the two-class method required for participating securities. Under the two-class method, net loss is attributed to common stockholders and participating securities based on their participation rights. The Company considers all series of its redeemable convertible preferred stock to be participating securities. Under the two-class method, the net loss attributable to common stockholders is not allocated to the convertible preferred stock as the holders of the Company’s convertible preferred stock do not have a contractual obligation to share in the Company’s losses. Under the two-class method, basic net loss per share attributable to common stockholders is computed by dividing the net loss attributable to common stockholders by the weighted-average number of shares of common stock outstanding during the period. For periods in which the Company reports net losses, diluted net loss per common share attributable to common stockholders is the same as basic net loss per common share attributable to common stockholders because potentially dilutive common shares are not assumed to have been issued if their effect is anti-dilutive. Comprehensive Loss During the years ended December 31, 2021 and 2020, the Company did not have any other comprehensive income or loss and, therefore, the net loss and comprehensive loss were the same for both periods presented. Correction of Immaterial Errors During the year ended December 31, 2021, the company recorded a charge of $3.1 million related to certain sales tax amounts (including penalties and interest) which should have been recorded in prior periods from 2018 through the periods ended June 30, 2021. This out of period charge represents the Company’s best estimate of the probable amount due to the applicable taxing authorities and includes sales tax amounts collected from customers that were remitted to the incorrect jurisdiction as well as additional sales tax amounts in certain jurisdictions that were not correctly determined at the time of the customer transaction. The Company is currently working with the applicable jurisdictions to resolve the outstanding balances. We have determined that the impact of this out of period charge is quantitatively and qualitatively immaterial to all prior periods, the year ended December 31, 2021 and to trends in the Company’s financial results. The correction of $3.1 million was recorded as an increase to selling, general, and administrative expenses on the condensed consolidated statement of comprehensive loss in the year ended December 31, 2021. As a result of the errors described above, selling, general and administrative expenses and net loss are understated by $0.7 million and $0.6 million for the years ended December 31, 2020 and 2019, respectively. Accumulated deficit is understated and stockholder's equity is overstated by $1.8 million as of December 31, 2020. Recently Issued Accounting Standards In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). This ASU requires a lessee to recognize in the statement of financial position a liability to make lease payments (the lease liability) and a right-to-use asset representing its right to use the underlying asset for the lease term. This ASU is effective for public and private companies’ fiscal years beginning after December 15, 2018, and December 15, 2021, respectively, with early adoption permitted. The Company expects to adopt ASU 2016-02 under the private company transition guidance beginning January 1, 2022. As of the transition date, the Company recognized right of use assets and operating lease liabilities related to its lease portfolio of $27.9 million and $28.6 million, respectively. The Company elected the package of practical expedients permitted under the transition guidance which allows the carry forward of the historical lease identification, lease classification and initial direct costs of existing leases. In addition, the Company elected the practical expedient to not separate lease and non-lease components for real estate leases. Further, the Company made an accounting policy election to adopt the short-term lease exception, which allows the Company to not record leases with an initial term of 12 months or less on the balance sheet. In June 2016, the FASB issued ASU 2016-13, Financial instruments — Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments , and subsequent related ASUs, which amends the guidance on the impairment of financial instruments by requiring measurement and recognition of expected credit losses for financial assets held. This ASU is effective for public and private companies’ fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2019, and December 15, 2022, respectively. The Company expects to adopt ASU 2016-13 under the private company transition guidance beginning January 1, 2023, and is currently evaluating the impact on the Company’s consolidated financial statements. In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes (“ASU 2019-12”). ASU 2019-12 removes certain exceptions to the general principles in Topic 740 and also clarifies and amends existing guidance to improve consistent application. ASU 2019-12 will be effective for public entities for interim and annual periods beginning after December 15, 2020, with early adoption permitted. ASU 2019-12 will be effective for the Company for annual periods beginning after December 15, 2021, and interim periods beginning after December 15, 2022, with early adoption permitted. The Company is currently assessing the impact, if any, the guidance will have on the Company’s consolidated financial statements. Recently Adopted Accounting Standards In August 2020, the FASB issued ASU 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging— Contracts in Entity’s Own Equity (Subtopic 815-40) , which simplifies the accounting for convertible debt by removing the requirements to separately present certain conversion features in equity. In addition, the amendments in the ASU also simplify the guidance in ASC 815-40, Derivatives and Hedging: Contracts in Entity’s Own Equity |