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additional extension term Right Of First Refusal, Extension Period Right Of First Refusal, Extension Period All Adjustments to Compensation All Adjustments to Compensation [Member] Assumed liabilities in connection with acquisition of business Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Amendment Flag Amendment Flag Debt securities interest receivable Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Prepaid expenses Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed Prepaid Expense Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed Prepaid Expense Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Indefinite-lived intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived Weighted-average discount rate during the period Operating Lease, Weighted Average Discount Rate, Percent Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Weighted-average common shares outstanding - basic - Class A common stock (in shares) Weighted Average Number of Shares Outstanding, Basic Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Subsequent Events [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Other income Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, issued (in shares) Common Stock, Shares, Issued Weighted-average remaining lease term (in months) as of period-end Operating Lease, Weighted Average Remaining Lease Term Right of First Refusal Liability Right Of First Refusal Liability [Text Block] Right Of First Refusal Liability Use of Estimates Use of Estimates, Policy [Policy Text Block] Atomic Alchemy, Inc. Atomic Alchemy, Inc. [Member] Atomic Alchemy, Inc. Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Allowance for credit loss Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Interest and dividend income, net Investment Income, Interest and Dividend Total liabilities Liabilities Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Purchases of property, plant and equipment in accounts payable and accrued expense and other Capital Expenditures Incurred but Not yet Paid Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Marketable debt securities Current Marketable Debt Securities Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Prepaid expense Prepaid Expense, Current Indefinite-Lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Operating expenses Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Issuance of common stock in at-the-market offering, net of offering costs Issuance of common stock Stock Issued During Period, Value, New Issues Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalents Cash and Cash Equivalent Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Accrued professional fees Accrued Professional Fees, Current