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[Member] Wave HQ Inc. 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Loans Receivable Proceeds from Collection of Franchise Loans Receivable Total liabilities Liabilities Discontinued Operations Interest Expense Allocated to Discontinued Operation [Policy Text Block] Aggregate principal amount Line of Credit Facility, Maximum Borrowing Capacity Purchase Commitment, Remaining Minimum Amount Committed Purchase Commitment, Remaining Minimum Amount Committed Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Deferred revenue and other current liabilities Other Liabilities, Current Assisted tax preparation Tax Preparation Fees [Member] Tax Preparation Fees [Member] Statement [Line Items] Statement [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Schedule of Receivables Based On Year of Origination Schedule of Receivables Based on Year of Origination [Table Text Block] Schedule of Receivables Based on Year of Origination [Table Text Block] Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Schedule of Litigation and Related Contingencies [Table] Schedule of Litigation and Related Contingencies [Table] Schedule of Litigation and Related Contingencies [Table] Net decrease in cash and cash equivalents, including restricted balances Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Potential dilutive shares (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment