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Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period Common stock reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Numerator: Net Income (Loss) Attributable to Redeemable Noncontrolling Interest [Abstract] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount 9 Share-Based Payment Arrangement, Tranche Nine [Member] Share-Based Payment Arrangement, Tranche Nine Deferred Tax Assets, Valuation Allowance [Roll Forward] Deferred Tax Assets, Valuation Allowance [Roll Forward] Deferred Tax Assets, Valuation Allowance Local Phone Number Local Phone Number Next 2% of Employee Elective Deferral 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[Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Total current assets Assets, Current Statement of Cash Flows [Abstract] 2021 Plan 2021 Incentive Award Plan [Member] 2021 Incentive Award Plan Accrued expenses and other current liabilities Increase (Decrease) in Accrued Liabilities Expiration period to take exams (in years) Contract With Customer, Threshold Period To Take Exam For Bulk Purchase Contract With Customer, Threshold Period To Take Exam For Bulk Purchase Number of options exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Document Information [Line Items] Document Information [Line Items] Valuation allowances established Deferred Tax Asset, Valuation Allowance, Additions Deferred Tax Asset, Valuation Allowance, Additions Weighted- average grant date fair value per share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, 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Share-based Payment Award, Awards Where Performance Not Met Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Goodwill, tax deductible amount Goodwill, Tax Deductible Amount Goodwill, Tax Deductible Amount Business credits Deferred Tax Assets, Tax Credit Carryforwards, General Business Acquired technology Technology-Based Intangible Assets [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Advertising costs Advertising Expense Schedule of Share-based Payment Arrangement, Expensed, Amount Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Concentration Risk Type [Axis] Concentration Risk Type [Axis] Class A common stock, $0.0001 par value; 2,000,000 shares authorized as of December 31, 2024 and December 31, 2023; 38,730 and 36,311 issued and outstanding at December 31, 2024 and December 31, 2023, respectively Class B common stock, $0.0001 par value; 30,000 shares authorized as of December 31, 2024 and December 31, 2023; 6,206 and 6,215 issued and outstanding at December 31, 2024 and December 31, 2023, respectively Common Stock, Value, Issued Document Financial Statement Error Correction Flag Document Financial Statement Error Correction [Flag] James Shelton [Member] James Shelton Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Grantee Status [Axis] Grantee Status [Axis] State taxes, net of Federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Certificates of deposit Certificates of Deposit [Member] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year 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