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Denominator – basic and diluted: Weighted Average Number of Shares Outstanding, Basic [Abstract] Restricted Stock Units (RSUs), Mr. Naheta Restricted Stock Units (RSUs), Mr. Naheta [Member] Restricted Stock Units (RSUs), Mr. Naheta Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Convertible debentures Convertible debentures (if-converted) Convertible Debt [Member] Organization and Description of Business Nature of Operations [Text Block] Service revenue Subscription And Service Revenue [Member] Subscription And Service Revenue Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Concentration Risk [Table] Concentration Risk [Table] Trade accounts receivable Trade Accounts Receivable [Member] Crypto costs Crypto Costs Crypto Costs More than 5 years Purchase Obligation, to be Paid, after Year Four Purchase Obligation, to be Paid, after Year Four Number of reportable segments 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Measurement Input, Price Volatility [Member] Depreciation and amortization Depreciation, Depletion and Amortization Other assets Total Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key Execution, clearing and brokerage fees Execution, Clearing and Brokerage Fees Execution, Clearing and Brokerage Fees PEO Name PEO Name Gross proceeds Net proceeds Sale of Stock, Consideration Received on Transaction 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] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Technology Information Technology Expense Information Technology Expense Arrangement Duration Trading Arrangement Duration Schedule of Segment 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