Basis of Presentation and Summary of Significant Accounting Policies	3 Months Ended
Mar. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation and Summary of Significant Accounting Policies	2. BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation—The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”), and following the requirements of the Securities and Exchange Commission (“SEC”), for interim reporting. As permitted under those rules, certain footnotes or other financial information that are normally required by GAAP can be condensed or omitted. These unaudited condensed consolidated financial statements have been prepared on the same basis as the Company's annual consolidated financial statements and, in the opinion of management, reflect all adjustments, consisting only of normal recurring adjustments, that are necessary for a fair statement of the Company's financial information. The results of operations for the three months ended March 31, 2021 are not necessarily indicative of the results to be expected for the year ending December 31, 2021 or for any other interim period or for any other future year. The balance sheet as of December 31, 2020 has been derived from audited consolidated financial statements at that date but does not include all information required by GAAP for annual consolidated financial statements. These unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements contained in the Company's final prospectus filed pursuant to Rule 424(b) under the Securities Act of 1933, as amended, with the SEC on March 31, 2021 (the “Prospectus”). Principles of Consolidation—The unaudited condensed consolidated financial statements include the Company and its wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. Segment Information—The Company defines its segments as those operations the chief operating decision maker (“CODM”), determined to be the Chief Executive Officer of the Company, regularly reviews to allocate resources and assess performance. For the three months ended March 31, 2020 and 2021, the Company operated under three segments: Consumer, Enterprise, and Degrees. The Company continually monitors and reviews its segment reporting structure in accordance with Accounting Standards Codification (“ASC”) Topic 280, Segment Reporting, to determine whether any changes have occurred that would impact its reportable segments. For further information on the Company’s segment reporting, see Note 15 “Segment and Geographic Information.” Use of Estimates—The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates, judgments, and assumptions that affect the reported amounts of assets and liabilities and related disclosures at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. On an ongoing basis, the Company evaluates its estimates, including those related to fair value of common stock and stock-based awards; period of benefit for capitalized commissions; internal-use software development costs; useful lives of long-lived assets; the carrying value of operating lease right-of-use assets; valuation of intangible assets and income tax expense, including the valuation of deferred tax assets and liabilities, among others. The World Health Organization declared in March 2020 that the recent outbreak of the coronavirus disease (“COVID-19") constitutes a pandemic. The COVID-19 pandemic has caused general business disruption worldwide beginning in January 2020. The global impact of COVID-19 continues to rapidly evolve, and the Company will continue to monitor the situation and the effects on its business and operations closely. The Company does not yet know the full extent of potential impacts on its business or operations or on the global economy as a whole, particularly if the COVID-19 pandemic continues and persists for an extended period of time. Given the uncertainty, the Company cannot reasonably estimate the impact on its future results of operations, cash flows, or financial condition. As of the date of issuance of the condensed consolidated financial statements, the Company is not aware of any specific event or circumstance that would require it to update its estimates, judgments, or the carrying value of its assets or liabilities. These estimates may change as new events occur and additional information is obtained and are recognized in the consolidated financial statements as soon as they become known. Actual results could differ from those estimates, and any such differences may be material to the Company’s condensed consolidated financial statements. Summary of Significant Accounting Policies There have been no significant changes to the Company's significant accounting policies as of and for the three months ended March 31, 2021, as compared to the significant accounting policies described in the Prospectus. Concentration of Credit Risk—Financial instruments that potentially subject the Company to concentration of credit risk consist of cash, cash equivalents, and marketable securities. The Company invests only in high-credit-quality instruments and maintains its cash equivalents and marketable securities in fixed-income securities. The Company places its cash primarily with domestic financial institutions that are federally insured within statutory limits. For purposes of assessing concentration of credit risk and significant customers, a group of customers under common control or customers that are affiliates of each other are regarded as a single customer. For the three months ended March 31, 2020 and 2021, the Company did not have any customers that accounted for more than 10% of the Company’s revenue. As of December 31, 2020, the Company had one customer that accounted for 21% of its net accounts receivable balance. As of March 31, 2021, the Company had no customers that accounted for more than 10% of its net accounts receivable balance. New Accounting Pronouncements Recently Adopted The Company is an emerging growth company, as defined in the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until those standards apply to private companies. The Company has elected to use this extended transition period for complying with new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date that it (i) is no longer an emerging growth company or (ii) affirmatively and irrevocably opts out of the extended transition period provided in the JOBS Act. As a result, the consolidated financial statements may not be comparable to companies that comply with the new or revised accounting pronouncements as of public company effective dates. The JOBS Act does not preclude an emerging growth company from early adopting new or revised accounting standards. The Company early adopted ASU 2014-09, Revenue from Contracts with Customers (Topic 606), effective January 1, 2017 and ASU No. 2016-02, Leases (ASC 842) effective January 1, 2020. The Company expects to use the extended transition period for any other new or revised accounting standards during the period for which the Company remains an emerging growth company. New Accounting Pronouncements Not Yet Adopted In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. This standard simplifies the accounting for income taxes by eliminating certain exceptions to the guidance in Topic 740 related to the approach for intraperiod tax allocation, the methodology for calculating income taxes in an interim period, and the recognition of deferred tax liabilities for outside basis differences. The guidance also simplifies aspects of the accounting for franchise taxes and enacted changes in tax laws or rates, and clarifies the accounting for transactions that result in a step-up in the tax basis of goodwill and the allocation of consolidated income taxes to separate financial statements of entities not subject to income tax. ASU 2019-12 will be effective for the Company in 2022. Upon adoption, the Company must apply certain aspects of this standard retrospectively for all periods presented while other aspects are applied on a modified retrospective basis through a cumulative-effect adjustment to accumulated deficit as of the beginning of the fiscal year of adoption. The Company is currently evaluating the impact of this update on its consolidated financial statements and related disclosures. In August 2018, the FASB issued ASU 2018-15, Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract. This update requires capitalization of the implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. Further, the standard also requires the Company to expense the capitalized implementation costs of a hosting arrangement over the term of the hosting arrangement. ASU 2018-15 will be effective for the Company for the annual period 2021 and early adoption for interim periods is permitted. The Company is currently evaluating the impact of this update on its consolidated financial statements and related disclosures. In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments-Credit Losses, which provides new authoritative guidance with respect to the measurement of credit losses on financial instruments. This update changes the impairment model for most financial assets and certain other instruments by introducing a current expected credit loss (“CECL”) model. The CECL model is a more forward-looking approach based on expected losses rather than incurred losses, requiring entities to estimate and record losses expected over the remaining contractual life of an asset. The guidance will be effective for the Company in 2023 and early adoption beginning in 2019 is permitted. The Company is currently evaluating the impact from the adoption of this guidance on the consolidated financial statements and related disclosures.

Basis of Presentation and Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2021

Basis of Presentation and Summary of Significant Accounting Policies

2. BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation—The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”), and following the requirements of the Securities and Exchange Commission (“SEC”), for interim reporting. As permitted under those rules, certain footnotes or other financial information that are normally required by GAAP can be condensed or omitted. These unaudited condensed consolidated financial statements have been prepared on the same basis as the Company's annual consolidated financial statements and, in the opinion of management, reflect all adjustments, consisting only of normal recurring adjustments, that are necessary for a fair statement of the Company's financial information. The results of operations for the three months ended March 31, 2021 are not necessarily indicative of the results to be expected for the year ending December 31, 2021 or for any other interim period or for any other future year. The balance sheet as of December 31, 2020 has been derived from audited consolidated financial statements at that date but does not include all information required by GAAP for annual consolidated financial statements.

These unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements contained in the Company's final prospectus filed pursuant to Rule 424(b) under the Securities Act of 1933, as amended, with the SEC on March 31, 2021 (the “Prospectus”).

Principles of Consolidation—The unaudited condensed consolidated financial statements include the Company and its wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

Segment Information—The Company defines its segments as those operations the chief operating decision maker (“CODM”), determined to be the Chief Executive Officer of the Company, regularly reviews to allocate resources and assess performance. For the three months ended March 31, 2020 and 2021, the Company operated under three segments: Consumer, Enterprise, and Degrees. The Company continually monitors and reviews its segment reporting structure in accordance with Accounting Standards Codification (“ASC”) Topic 280, Segment Reporting, to determine whether any changes have occurred that would impact its reportable segments. For further information on the Company’s segment reporting, see Note 15 “Segment and Geographic Information.”

Use of Estimates—The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates, judgments, and assumptions that affect the reported amounts of assets and liabilities and related disclosures at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. On an ongoing basis, the Company evaluates its estimates, including those related to fair value of common stock and stock-based awards; period of benefit for capitalized commissions; internal-use software development costs; useful lives of long-lived assets; the carrying value of operating lease right-of-use assets; valuation of intangible assets and income tax expense, including the valuation of deferred tax assets and liabilities, among others.

The World Health Organization declared in March 2020 that the recent outbreak of the coronavirus disease (“COVID-19") constitutes a pandemic. The COVID-19 pandemic has caused general business disruption worldwide beginning in January 2020. The global impact of COVID-19 continues to rapidly evolve, and the Company will continue to monitor the situation and the effects on its business and operations closely. The Company does not yet know the full extent of potential impacts on its business or operations or on the global economy as a whole, particularly if the COVID-19 pandemic continues and persists for an extended period of time. Given the uncertainty, the Company cannot reasonably estimate the impact on its future results of operations, cash flows, or financial condition. As of the date of issuance of the condensed consolidated financial statements, the Company is not aware of any specific event or circumstance that would require it to update its estimates, judgments, or the carrying value of its assets or liabilities. These estimates may change as new events occur and additional information is obtained and are recognized in the consolidated financial statements as soon as they become known. Actual results could differ from those estimates, and any such differences may be material to the Company’s condensed consolidated financial statements.

Summary of Significant Accounting Policies

There have been no significant changes to the Company's significant accounting policies as of and for the three months ended March 31, 2021, as compared to the significant accounting policies described in the Prospectus.

Concentration of Credit Risk—Financial instruments that potentially subject the Company to concentration of credit risk consist of cash, cash equivalents, and marketable securities. The Company invests only in high-credit-quality instruments and maintains its cash equivalents and marketable securities in fixed-income securities. The Company places its cash primarily with domestic financial institutions that are federally insured within statutory limits.

For purposes of assessing concentration of credit risk and significant customers, a group of customers under common control or customers that are affiliates of each other are regarded as a single customer. For the three months ended March 31, 2020 and 2021, the Company did not have any customers that accounted for more than 10% of the Company’s revenue. As of December 31, 2020, the Company had one customer that accounted for 21% of its net accounts receivable balance. As of March 31, 2021, the Company had no customers that accounted for more than 10% of its net accounts receivable balance.

New Accounting Pronouncements Recently Adopted

The Company is an emerging growth company, as defined in the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until those standards apply to private companies. The Company has elected to use this extended transition period for complying with new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date that it (i) is no longer an emerging growth company or (ii) affirmatively and irrevocably opts out of the extended transition period provided in the JOBS Act. As a result, the consolidated financial statements may not be comparable to companies that comply with the new or revised accounting pronouncements as of public company effective dates.

The JOBS Act does not preclude an emerging growth company from early adopting new or revised accounting standards. The Company early adopted ASU 2014-09, Revenue from Contracts with Customers (Topic 606), effective January 1, 2017 and ASU No. 2016-02, Leases (ASC 842) effective January 1, 2020. The Company expects to use the extended transition period for any other new or revised accounting standards during the period for which the Company remains an emerging growth company.

New Accounting Pronouncements Not Yet Adopted

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. This standard simplifies the accounting for income taxes by eliminating certain exceptions to the guidance in Topic 740 related to the approach for intraperiod tax allocation, the methodology for calculating income taxes in an interim period, and the recognition of deferred tax liabilities for outside basis differences. The guidance also simplifies aspects of the accounting for franchise taxes and enacted changes in tax laws or rates, and clarifies the accounting for transactions that result in a step-up in the tax basis of goodwill and the allocation of consolidated income taxes to separate financial statements of entities not subject to income tax. ASU 2019-12 will be effective for the Company in 2022. Upon adoption, the Company must apply certain aspects of this standard retrospectively for all periods presented while other aspects are applied on a modified retrospective basis through a cumulative-effect adjustment to accumulated deficit as of the beginning of the fiscal year of adoption. The Company is currently evaluating the impact of this update on its consolidated financial statements and related disclosures.

In August 2018, the FASB issued ASU 2018-15, Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract. This update requires capitalization of the implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. Further, the standard also requires the Company to expense the capitalized implementation costs of a hosting arrangement over the term of the hosting arrangement. ASU 2018-15 will be effective for the Company for the annual period 2021 and early adoption for interim periods is permitted. The Company is currently evaluating the impact of this update on its consolidated financial statements and related disclosures.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments-Credit Losses, which provides new authoritative guidance with respect to the measurement of credit losses on financial instruments. This update changes the impairment model for most financial assets and certain other instruments by introducing a current expected credit loss (“CECL”) model. The CECL model is a more forward-looking approach based on expected losses rather than incurred losses, requiring entities to estimate and record losses expected over the remaining contractual life of an asset. The guidance will be effective for the Company in 2023 and early adoption beginning in 2019 is permitted. The Company is currently evaluating the impact from the adoption of this guidance on the consolidated financial statements and related disclosures.