Document and Entity Information Statement [Table] Statement [Line Items] Statement Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Unaudited Consolidated Balance Sheets Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and Cash Equivalents-End of Year Cash and Cash Equivalents-Beginning of Year Cash and cash equivalents Accounts Receivable, Net, Current Accounts receivable, net Prepaid Expense and Other Assets, Current Prepaid expenses and other Represents the sum of the carrying amounts as of the balance sheet date of all assets, before funds held for clients, that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets Current before Funds Held for Clients Total current assets before funds held for clients Funds Held for Clients Funds held for clients Assets, Current Total current assets Prepaid Expense, Noncurrent Long-term prepaid expenses Capitalized Computer Software, Net Capitalized internal-use software, net Capitalized internal-use software, net Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Finite-Lived Intangible Assets, Net Intangible assets, net Intangible assets, net Goodwill Balance at end of the period Balance at beginning of the period Goodwill Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Deferred income tax assets, net Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders? Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Total accrued expenses Represents the amount of total current liabilities, before client fund obligations, incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. Liabilities Current before Client Fund Obligations Total current liabilities before client fund obligations Represents the amount of obligations related to client funds that will be paid within the next twelve months or within one business cycle, if longer. Client Fund Obligations Current Client fund obligations Liabilities, Current Total current liabilities Deferred Rent Credit, Noncurrent Deferred rent Other Liabilities, Noncurrent Other long-term liabilities Deferred Tax Liabilities, Net, Noncurrent Deferred income tax liabilities, net Liabilities Total liabilities Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, $0.001 par value, 5,000 authorized, no shares issued and outstanding at June 30, 2017 and 2018 Common Stock, Value, Issued Common stock, $0.001 par value, 155,000 shares authorized at June 30, 2017 and 2018; 51,738 shares issued and outstanding at June 30, 2017 and 52,758 shares issued and outstanding at June 30, 2018 Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Stockholders' Equity Attributable to Parent Balance Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Preferred Stock, Par or Stated Value Per Share Preferred Stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred Stock, shares authorized Preferred Stock, Shares Issued Preferred Stock, shares issued Preferred Stock, Shares Outstanding Preferred Stock, shares outstanding Common Stock, Par or Stated Value Per Share Common Stock, par value (in dollars per share) Common Stock, Shares Authorized Common Stock, shares authorized Common Stock, Shares, Issued Common Stock, shares issued Common Stock, Shares, Outstanding Balance (in shares) Balance (in shares) Common Stock, shares outstanding Unaudited Consolidated Statements of Operations Consolidated Statements of Operations Data Revenues [Abstract] Revenues: Represents the amount of fees earned during the period from providing services that are recurring in nature. Recurring Fees Recurring fees Represents the amount of interest income on funds held for clients during the period. Interest Income on Funds Held for Clients Interest income on funds held for clients Represents the aggregate amount of revenue recognized during the period that is recurring in nature. Recurring Revenues Total recurring revenues Represents the amount of revenue earned from providing implementation services and other activities during the period. Implementation Services and Other Revenue Implementation services and other Revenues Revenues Total revenues Cost of Revenue [Abstract] Cost of revenues: Represents the amount of expenses incurred during the period from providing services that are recurring in nature. Cost of Recurring Revenue Recurring revenues Represents the amount of expenses incurred during the period from providing implementation services and other activities. Implementation Services and Other Cost of Revenue Implementation services and other Cost of Revenue Total cost of revenues Gross Profit Gross profit Gross profit Operating Expenses [Abstract] Operating expenses: Selling and Marketing Expense Sales and marketing Research and Development Expense Research and development General and Administrative Expense General and administrative Operating Expenses Total operating expenses Operating Income (Loss) Operating income (loss) Operating income (loss) Nonoperating Income (Expense) Other income (expense) Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income (loss) before income taxes Income Tax Expense (Benefit) Income tax expense (benefit) Total income tax expense (benefit) Net Income (Loss) Attributable to Parent Net income (loss) Net income (loss) Net income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive loss, net of tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Unrealized losses on securities, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total other comprehensive loss, net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) Earnings Per Share, Basic and Diluted [Abstract] Net income (loss) per share: Earnings Per Share, Basic Basic (in dollars per share) Earnings Per Share, Diluted Diluted (in dollars per share) Weighted-average shares used in computing net loss per share attributable to common stockholders: Weighted-average shares used in computing net income (loss) per share: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Diluted (in shares) Unaudited Consolidated Statement of Changes in Stockholders' Equity Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid In Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Accumulated Deficit Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Loss Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation Stock Issued During Period, Value, Stock Options Exercised Stock options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Options exercised Stock options exercised (in shares) Represents the aggregate value of stock related to restricted stock units vested during the period. Adjustments to Additional Paid in Capital Restricted Stock Vesting Issuance of common stock upon vesting of restricted stock units Represents the number of shares of stock related to restricted stock units that vested during the period. Stock Issued During Period Shares Restricted Stock Units Vesting Issuance of common stock upon vesting of restricted stock units (in shares) Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of common stock under employee stock purchase plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Number of shares issued Issuance of common stock under employee stock purchase plan (in shares) Represents the aggregate change in value due to net settlement of taxes and/or exercise price of options exercised and/or RSUs vested during the period. Net settlement for taxes and/or exercise price related to equity awards Net settlement for taxes and/or exercise price related to equity awards Number of shares utilized in net settlement of taxes and/or exercise price of options exercised and/or RSUs vested during the period. Net settlement for taxes and/or exercise price related to equity awards (in shares) Net settlement for taxes and/or exercise price related to equity awards (in shares) Shares withheld in settlement of taxes and/or exercise price Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Excess tax benefits from stock-based compensation Unaudited Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash provided by operating activities: Share-based Compensation Stock-based compensation expense Depreciation, Depletion and Amortization Depreciation and amortization expense Deferred Income Tax Expense (Benefit) Deferred income tax expense (benefit) Provision for Doubtful Accounts Charged to expense Provision for doubtful accounts Accretion (Amortization) of Discounts and Premiums, Investments Net accretion of discounts and amortization of premiums on available-for-sale securities This item represents the loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities, net of taxes. Available For Sale Securities Realized Losses Net Of Tax Net realized losses on sales of available-for-sale securities Gain (Loss) on Disposition of Property Plant Equipment Loss on disposal of equipment Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Prepaid Expense Prepaid expenses and other Increase (Decrease) in Accounts Payable, Trade Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses The increase (decrease) during the reporting period in the amount of lease allowances receivable from landlords for tenant improvements. Increase Decrease In Lease Allowance For Tenant Improvements Tenant improvement allowance Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Available-for-sale Securities Purchases of available-for-sale securities from funds held for clients Proceeds from Sale and Maturity of Available-for-sale Securities Proceeds from sales and maturities of available-for-sale securities from funds held for clients Represents the net increase (decrease) in funds held for clients during the period. Increase Decrease In Funds Held For Clients Net change in funds held for clients' cash and cash equivalents Payments to Develop Software Capitalized internal-use software costs Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Cash outflow used to perform tenant improvements to leased property. Payments For Improvements To Leased Property Lease allowances used for tenant improvements Payments to Acquire Businesses, Gross Acquisition of business, net of cash acquired Purchase price paid Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Represents the amount of net increase (decrease) in client funds obligation during the period. Increase (Decrease) in Client Funds Obligation Net change in client fund obligations Proceeds from Stock Options Exercised Proceeds from exercise of stock options Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options Proceeds from employee stock purchase plan Taxes paid related to net share settlement of equity awards Taxes paid related to net share settlement of equity awards Excess Tax Benefit from Share-based Compensation, Financing Activities Excess tax benefits from stock-based compensation Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net Change in Cash and Cash Equivalents Noncash Investing and Financing Items [Abstract] Supplemental Disclosure of Non-Cash Investing and Financing Activities Represents the amount of build-out allowances received from landlords. Build-out Allowance Received from Landlord Build-out allowances received from landlords Capital Expenditures Incurred but Not yet Paid Purchase of property and equipment and internal-use software, accrued but not paid Supplemental Cash Flow Information [Abstract] Supplemental Disclosure of Cash Flow Information Income Taxes Paid, Net Cash paid (refunds received) for income taxes Organization and Description of Business Nature of Operations [Text Block] Organization and Description of Business Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies n/a Funds Held For Clients And Corporate Investments [Abstract] Schedule of funds held for clients and corporate investments, including client cash and cash equivalents and available-for-sale securities. Schedule Of Funds Held For Clients And Corporate Investments [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Funds Held For Clients And Corporate Investments [Line Items] The entire disclosure for funds held for clients and corporate investments. Funds Held For Clients And Corporate Investments [Text Block] Funds Held for Clients and Corporate Investments Fair Value Measurement Fair Value Disclosures [Text Block] Fair Value Measurement Business Combinations Business Combination Disclosure [Text Block] Business Combinations Capitalized Internal-Use Software. Research, Development, and Computer Software Disclosure [Text Block] Capitalized Internal-Use Software Property and Equipment. Property, Plant and Equipment [Table] Property, Plant and Equipment [Line Items] Property and equipment Property and Equipment and Long-Lived Assets Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Intangible Assets Accrued Expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued Expenses Leases Schedule of Operating Leased Assets [Table] Operating Leased Assets [Line Items] Leases of Lessee Disclosure [Text Block] Leases Income Taxes Income Tax Disclosure [Text Block] Income Taxes Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Benefit Plans Defined Contribution Plan [Table] Defined Contribution Plan Disclosure [Line Items] Compensation and Employee Benefit Plans [Text Block] Benefit Plans Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Net Income (Loss) Per Share Earnings Per Share [Text Block] Net Income Per Share Selected Quarterly Financial Data (unaudited) Quarterly Financial Information [Text Block] Selected Quarterly Financial Data (unaudited) Subsequent Events Subsequent Event [Table] Subsequent Events. Subsequent events Subsequent Events [Text Block] Subsequent Events Disclosure of accounting policy for basis of presentation describing the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS), consolidation including the principles it follows in consolidating or combining the separate financial statements, and the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles. Basis of Presentation Consolidation and Use of Estimates [Policies Text Block] Basis of Presentation, Consolidation, and Use of Estimates Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentrations of Risk Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents