Summary of Significant Accounting Policies | 2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Principles of Consolidation The accompanying Consolidated Financial Statements are prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and include the operations of the Company. All intercompany transactions have been eliminated in consolidation. Retroactive Application of Recapitalization As discussed in Note 3 – Business Combination, the Business Combination on December 22, 2021 was accounted for as a reverse recapitalization (“Reverse Recapitalization”) of equity structure, whereby at the Closing of the Business Combination, the outstanding Class A, B and C units of Legacy AdTheorent, and the outstanding stock options and Restricted Interest Units of Legacy AdTheorent were exchanged for the Company’s Common Stock and equity awards using a ratio (“Exchange Ratio”) of 1.376 and 1.563, respectively. Accordingly, pursuit to GAAP, the Consolidated Financial Statements and the related notes have been recast and are presented on an if-converted Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the reported amounts of revenue and expense during the reporting periods. Significant estimates and judgments are inherent in the analysis and measurement of items. Management bases its estimates and assumptions on historical experience and on various other factors that are believed to be reasonable under the circumstances. Due to the inherent uncertainty involved in making estimates, actual results reported in future periods may be affected by changes in these estimates. These estimates are based on the information available as of the date of the Consolidated Financial Statements. COVID-19 During the quarter ended March 31, 2020, concerns related to the spread of novel coronavirus (“COVID-19”) COVID-19 COVID-19 COVID-19 The Coronavirus Aid, Relief and Economic Security Act (the “CARES Act”) in the U.S. includes measures that assist companies in responding to the COVID-19 non-income Liquidity As of December 31, 2021, the Company had cash of $100,093 and working capital, consisting of current assets, less current liabilities, of $132,349. We believe our existing cash and cash flow from operations will be sufficient to meet the Company’s working capital requirements for at least the next 12 months. Business Combinations The Company accounts for business combinations under the acquisition method of accounting, in accordance with Accounting Standards Codification (“ASC”) 805, which requires us to exercise judgment and make estimates and assumptions based on available information regarding the fair values of the elements of a business combination as of the date of acquisition, including the fair values of identifiable intangible assets, deferred tax asset valuation allowances, liabilities related to uncertain tax positions and contingencies. We must also refine these estimates over a one-year facts and circumstances that existed as of the acquisition date that, if known, would have affected the measurement of the amounts recognized as of that date. We may utilize independent third-party valuation firms to assist in making these fair value determinations. Segments The Company operates in one segment in accordance with ASC Topic 280, Segment Reporting While the Company has sales offices in different geographical regions, which results in a possibility for different operating segments by region, the Company is not managed by geographical locations. As the CODM does not review operating results by geographic location, determining operating segments in this manner would not be appropriate. Therefore, the Company has one reportable segment. Geographic Data Revenue by geographic region for the years ended December 31, 2021 and 2020 was as follows: Year ended December 31, 2021 2020 U.S. $ 160,821 $ 119,041 Canada 4,032 1,834 United Kingdom 492 140 Other 20 — Total $ 165,365 $ 121,015 Total consolidated long-lived assets are all located in the U.S. Fair Value of Financial Instruments Fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. 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 a liability. The Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible. When considering market participant assumptions in fair value measurements, the fair value hierarchy distinguishes between observable and unobservable inputs, which are categorized in one of the following levels: Level 1 — Observable inputs such as quoted prices in active markets. Level 2 — Inputs other than the quoted prices in active markets that are observable either directly or indirectly. These include quoted prices for similar assets and liabilities in active markets and quoted prices identical or similar assets and liabilities in markets that are not active. Level 3 — Unobservable inputs of which there is little or no market data, which require the Company to develop its own assumptions. Financial instruments (principally cash and cash equivalents, accounts receivable, accounts payable and accrued expenses) are carried at cost, which approximates fair value due to the short-term maturity of these instruments. The carrying amounts of debt and other obligations, approximate fair value based on credit terms and market interest rates currently available for similar instruments. Accordingly, those instruments are not presented in Note 18—Fair Value Measurements. Cash and Cash Equivalents The Company considers all short-term highly liquid investments with an original maturity of three months or less to be cash equivalents. Restricted Cash Restricted cash represents collateral amounts set aside per debt agreements. Upon satisfying the terms of the agreements, the funds are expected to be released and available for use by the Company. As of December 31, 2021, and 2020, the Company had $0 and $50 of restricted cash, respectively. Accounts Receivable, Net of Allowance for Doubtful Accounts Accounts receivables are recorded at the invoiced amount, are unsecured, and do not bear interest. The allowance for doubtful accounts is based on the best estimate of the amount of probable credit losses in existing accounts receivable. The allowance for doubtful accounts is determined based on historical collection experience and the review in each period of the status of the then-outstanding accounts receivable, while taking into consideration current client information, subsequent collection history and other relevant data. The Company individually reviews all balances that exceed 90 days from the invoice date and assesses for provisions for doubtful accounts based on an assessment of the balance that will not be collected. Factors considered include the aging of the receivable, historical write off experience, the creditworthiness of each agency customer, and general economic conditions. Account balances are charged off against the allowance after all means of collection have been exhausted and the potential for recovery is remote. Prepaid Expenses Prepaid expenses and other current assets on the Consolidated Balance Sheets consists primarily of prepaid income taxes, software, marketing, and insurance. Any expenses paid prior to the related services being rendered are recorded as prepaid expenses and amortized over the period of service. Property and Equipment, Net Property and equipment are recorded at historical cost, less accumulated depreciation. Depreciation is calculated using the straight-line method based upon the estimated useful lives of the assets, which bests reflects the pattern of use. The useful life of computer equipment is determined to be five years Repairs and maintenance are expensed as incurred. Expenditures that increase the value or productive capacity of assets are capitalized. When property and equipment are retired, sold, or otherwise disposed of, the asset’s carrying amount and related accumulated depreciation are removed from the accounts and any gain or loss is included within operating expenses in the Consolidated Statements of Operations. Intangible Assets Intangible assets primarily consist of acquired software, non-compete The Company’s intangible assets are being amortized over their estimated useful lives , using the straight-line method which best reflects the pattern of use, as follows: Description Estimated Life (Years) Software 2 - 6 Non-compete 5 Customer relationships 6 - 7 Trademarks/tradename 9 - 15 Software Development Costs Development costs associated with certain solutions offered exclusively through software as a service model are accounted for in accordance with ASC Topic 350-40, Internal-Use 350-40”). ASC 350-40 Impairment of Long-Lived Assets The Company assesses the recoverability of its long-lived assets when events or changes in circumstances indicate their carrying value may not be recoverable. Such events or changes in circumstances may include: a significant adverse change in the extent or manner in which a long-lived asset is being used, significant adverse change in legal factors or in the business climate that could affect the value of a long-lived asset, an accumulation of costs significantly in excess of the amount originally expected for the acquisition or development of a long-lived asset, current or future operating or cash flow losses that demonstrate continuing losses associated with the use of a long-lived asset, or a current expectation that, more likely than not, a long-lived asset will be sold or otherwise disposed of significantly before the end of its previously estimated useful life. The Company performs impairment testing at the asset group level that represents the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. The Company assesses recoverability of a long-lived asset by determining whether the carrying value of the asset group can be recovered through projected undiscounted cash flows over their remaining lives. If the carrying value of the asset group exceeds the forecasted undiscounted cash flows, an impairment loss is recognized, measured as the amount by which the carrying amount exceeds estimated fair value. An impairment loss is charged to operations in the period in which management determines such impairment. There were no impairments recorded for the years ended December 31, 2021 and 2020. Goodwill Goodwill represents the fair value of acquired businesses in excess of the fair value of the individually identified net assets acquired. Goodwill is not amortized but is tested for impairment annually or whenever indications of impairment exist. Impairment exists when the carrying amount, including goodwill, of the reporting unit exceeds its fair value, resulting in an impairment charge for this excess (not to exceed the carrying amount of the goodwill). The Company has historically performed its goodwill impairment test annually as of December 31 and in the interim if a triggering event occurs. During the fourth quarter of 2021, the Company established the date of its annual goodwill impairment test be to October 31. The Company believes that performing the test annually as of October 31 will alleviate the information and resource constraints that historically existed related to that date and will more closely align with the timing of related forecasts, reports and analysis. The Company believes that the resulting change in the accounting principle related to the annual testing date will not delay, accelerate or avoid an impairment charge. The Company prospectively applied the change in the annual goodwill impairment assessment date beginning October 31, 2021. For purposes of the goodwill impairment test, the Company has determined the business operates in one reporting unit. In testing goodwill for impairment, the Company has the option to begin with a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit containing goodwill is less than its carrying value. This qualitative assessment may include, but is not limited to, reviewing factors such as macroeconomic conditions, industry and market considerations, cost factors, entity-specific financial performance and other events, including changes in our management, strategy and primary user base. If the Company elects to bypass qualitatively assessing goodwill, or it is not more likely than not that the fair value of the reporting unit exceeds its carrying value, management estimates the fair value of the reporting unit and compares it to the carrying value. The estimated fair value of the reporting unit is established using an income approach based on a discounted cash flow model that includes significant assumptions about the future operating results and cash flows of the reporting unit, and a market approach which compares the reporting unit to comparable companies in our industry. Determining fair value requires the exercise of significant judgments, including judgments about appropriate discount rates, long-term growth rates, relevant comparable company earnings multiples and the amount and timing of expected future cash flows. The impairment is recorded within operating expenses in the Consolidated Statements of Operations in the period the determination is made. Revenue The Company generates revenue by using its proprietary machine learning-powered technology platform to execute targeted digital advertising campaigns, offering advanced predictive targeting solutions across different customer industry verticals and consumer screens (desktop, mobile, and connected TV (“CTV”)), including customized targeting, measurement and analytical services to address unique advertiser challenges. The Company’s customers consist of clients working directly with the Company and advertising agencies working on behalf of its customers. The Company accounts for revenue in accordance with Accounting Standards Update (“ASU”) 2014-09 Revenue from Contracts with Customers Expenses The Company classifies its Operating expenses into the following four categories. Each expense category includes overhead, including depreciation, amortization, rent and related occupancy costs, which is allocated based on headcount. Platform Operations Platform operations consists of the cost of revenue including advertising inventory, third party inventory validation and measurement, ad-serving, ad-verification, Sales and Marketing Sales and marketing expenses consist of compensation and commission costs of the sales and related support teams, as well as travel, trade show, and other marketing related costs. Advertising costs are charged to operations when incurred. Total advertising costs amounted to $343 and $149 for the years ended December 31, 2021 and 2020, respectively. Allocated overhead costs were $1,909 and $2,257 for the years ended December 31, 2021 and 2020, respectively. Technology and Development Technology and development costs include costs to maintain and develop the Company’s technology platform. Costs incurred for research and product development are expensed as incurred and include salaries, taxes and benefits, contracting, and travel expenses related to research and development. Allocated overhead costs were $666 and $801 for the years ended December 31, 2021 and 2020, respectively. General and Administrative Expense General and administrative expenses include compensation for executive and administrative personnel, professional service fees, insurance, supplies, and other fixed costs. Allocated overhead costs were $251 and $298 for the years ended December 31, 2021 and 2020, respectively. Rent Expense Rent expense is recognized on a straight-line basis over the term of the lease, with the difference between the cash rent expense and straight-line expense recorded as deferred rent. (Refer to Note 21—Commitments and Contingencies, for discussion of the Company’s commitments under operating leases.) Equity-based Compensation Compensation expense related to employee equity-based awards is measured and recognized in the Consolidated Financial Statements based on the fair value of the awards granted. The Company granted awards to employees that vest based solely on continued service, or service conditions, and awards that vest based on the achievement of performance targets, or performance conditions. The fair value of each option award containing service and/or performance conditions is estimated on the grant date using the Black-Scholes option-pricing model. The fair value of restricted stock units (“RSUs”) containing service and/or performance conditions is estimated on the grant date using the fair value of the Company’s Common Stock. For service condition awards, equity-based compensation expense is recognized on a straight-line basis over the requisite service periods of the awards. For performance condition awards, equity-based compensation expense is recognized using a graded vesting model over the requisite service period of the awards. Forfeitures are recorded as they occur. (Refer to Note 14—Equity-Based Compensation Expense) Debt Issuance Cost Deferred issuance costs relate to the Company’s debt instruments, the short-term and long-term portions are reflected as a deduction from the carrying amount of the related debt. The debt issuance costs are amortized using the straight-line method over the term of the related debt instrument which approximates the effective interest method. Debt issuance costs incurred with line-of-credit 470-50, Debt — Modifications and Extinguishments 470-50”)). Income Taxes Income tax expense includes federal, state, and foreign taxes and is based on reported income before income taxes. The Company recognizes deferred tax assets and liabilities based on the differences between the financial statement carrying amounts and the tax basis of assets and liabilities. The deferred tax assets and liabilities are determined based on the enacted tax rates expected to apply in the periods in which the deferred tax assets or liabilities are anticipated to be settled or realized. The Company regularly reviews its deferred tax assets for recoverability and establish a valuation allowance if it is more likely than not that some portion, or all, of a deferred tax asset will not be realized. The determination as to whether a deferred tax asset will be realized is made on a jurisdictional basis and is based on the evaluation of positive and negative evidence. This evidence includes historical taxable income, projected future taxable income, the expected timing of the reversal of existing temporary differences and the implementation of tax planning strategies. The Company recognizes the tax benefit from uncertain tax positions only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized from uncertain tax positions are measured at the largest amount of benefit that is greater than fifty percent likely of being realized upon ultimate settlement. No tax benefits are recognized for positions that do not meet this threshold. Interest related to uncertain tax positions is recognized as part of the provision for income taxes and is accrued beginning in the period that such interest would be applicable under relevant tax law until such time that the related tax benefits are recognized. The Company is required to file tax returns in the U.S. federal jurisdiction, various states, and in Canada. The Company’s policy is to recognize interest and penalties related to uncertain tax benefits (if any) in the tax provision. Contingencies A liability is contingent if the amount is not presently known but may become known in the future as a result of the occurrence of some uncertain future event. The Company accrues a liability for an estimated loss if it is determined that the potential loss is probable of occurring and the amount can be reasonably estimated. Significant judgment is required in both the determination of probability and the determination as to whether the amount of an exposure is reasonably estimable, and accruals are based only on the information available to our management at the time the judgment is made. The Company expenses legal costs, including those legal costs incurred in connection with a loss contingency, as incurred. Seller’s Earn-Out Accounting for the Seller’s Earn-Out The Seller’s Earn-Out, Earn-Out Earn-Out 815-40 Earn-Out Earn-Out Accounting for the Seller’s Earn-Out The grant of the Seller’s Earn-Out Share-based Compensation Earn-Out Earn-Out The Seller’s Earn-Out Earn-Out Earn-Out Earn-Out Public and Private Placement Warrants The Company classifies the Public and Private Placement Warrants as liabilities on the Consolidated Balance Sheet as these instruments are precluded from being indexed to the Company’s Common Stock given the terms allow for inputs outside of a fixed-for-fixed fixed-for-fixed Derivatives and Hedging The Public and Private Placement Warrants were initially recorded at fair value on the date of the Business Combination and are subsequently adjusted to fair value at each subsequent reporting date. Changes in the fair value of these instruments are recognized within change in fair value of Warrants in the Consolidated Statements of Operations. Emerging Growth Company From time to time, new accounting pronouncements, or Accounting Standard Updates (“ASU”) are issued by the FASB, or other standard setting bodies and adopted by the Company as of the specified effective date. Unless otherwise discussed, the impact of recently issued standards that are not yet effective will not have a material impact on the Company’s financial position or results of operations upon adoption. The Company is an emerging growth company (“EGC”) as defined in the Jumpstart Our Business Startups Act of 2012 (“JOBS Act”) and may take advantage of reduced reporting requirements that are otherwise applicable to public companies. Section 107 of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies are required to comply with those standards. This means that when a standard is issued or revised and it has different application dates for public and nonpublic companies, the Company has the option to adopt the new or revised standard at the time nonpublic companies adopt the new or revised standard and can do so until such time that the Company either (i) irrevocably elects to “opt out” of such extended transition period or (ii) no longer qualifies as an emerging growth company. The Company has elected to use the extended transition period for complying with new or revised accounting standards unless the Company otherwise early adopts select standards.” Recent Accounting Pronouncements Recently Adopted Accounting Pronouncements ASU No. 2020-06, Debt—Debt with Conversion and Other Options and Derivatives and Hedging—Contracts in Entities Own Equity (Topics 470 and 815) In August 2020, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) 815-40) 470-20 not ASU No. 2018-15, Intangibles-Goodwill and Other-Internal-Use 350-40) In August 2018, the FASB issued ASU No. 2018-15, Intangibles-Goodwill and Other-Internal-Use 350-40): internal-use 350-40, adopted Accounting Pronouncements Issued Not Yet Adopted ASU No. 2020-04, Reference Rate Reform (Topic 848) In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848) 2020-04”), No. 2021-01, Reference Rate Reform (Topic 848) 2021-01”). 2020-04 2021-01 2020-04 2021-01 ASU No. 2019-12, Income Taxes—Simplifying the Accounting for Income Taxes (Topic 740) In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (Topic 740) 2019-12”), 2019-12 year-to-date step-up 2019-12 ASU No. 2016-13, Financial Instruments—Credit Losses (Topic 326) In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments — Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments 2016-13”), 2016-13, ASU No. 2016-02, Leases (Topic 842) In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842) 2016-02”), right-of-use 2016-02 Leases 2016-02, In issuing ASU No. 2018-11, 2016-02, off-balance right-of-use The adoption of ASC 842 will result in the recognition of a new right-of-use right-of-use |