Assets, Current [Abstract] Consolidated Balance Sheets [Abstract] Assets Assets [Abstract] Current assets: Liabilities and stockholders' equity Liabilities and Stockholders' Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Total liabilities and stockholders' equity Liabilities and Stockholders' Equity Total stockholders' equity Beginning Balance Ending Balance Stockholders' Equity Attributable to Parent Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive income (loss) Accumulated deficit Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit) Additional paid-in capital Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock Common Stock, Value, Issued Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common stock, $0.01 par value: 250,000 shares authorized, 43,133 shares and 43,053 shares issued and outstanding at June 30, 2010 and March 31, 2010, respectively Preferred Stock, Value, Issued Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Total Preferred stock, $0.01 par value: 50,000 shares authorized, no shares issued and outstanding at June 30, 2010 and March 31, 2010 Other liabilities Other Liabilities, Noncurrent, Total Other Liabilities, Noncurrent Deferred revenue, less current portion Deferred Revenue, Noncurrent, Total Deferred Revenue, Noncurrent Total current liabilities Liabilities, Current, Total Liabilities, Current Deferred revenue Deferred Revenue, Current Accrued liabilities Accrued Liabilities, Current, Total Accrued Liabilities, Current Accounts payable Accounts Payable, Current, Total Accounts Payable, Current Total assets Assets Other assets Other Assets, Noncurrent Property and equipment, net Property, Plant and Equipment, Net, Total Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net Deferred tax assets Deferred Tax Assets, Net, Noncurrent, Total Deferred Tax Assets, Net, Noncurrent Total current assets Assets, Current, Total Assets, Current Deferred tax assets Deferred Tax Assets, Net, Current, Beginning Balance Deferred Tax Assets, Net, Current, Ending Balance Deferred Tax Assets, Net, Current Accounts Receivable, Net, Current Accounts Receivable, Net, Current, Total Trade accounts receivable, less allowance for doubtful accounts of $156 at June 30, 2010 and $292 at March 31, 2010 Short-term investments Short-term Investments, Total Short-term Investments Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and Cash Equivalents, at Carrying Value Allowance for doubtful trade accounts receivable Allowance for Doubtful Accounts Receivable, Current, Beginning Balance Allowance for Doubtful Accounts Receivable, Current, Ending Balance Allowance for Doubtful Accounts Receivable, Current Beginning balance, shares Common Stock, Shares, Outstanding Ending Balance, shares Common stock, shares outstanding Common stock, shares issued Common Stock, Shares, Issued, Total Common Stock, Shares, Issued Common stock, shares authorized Common Stock, Shares Authorized Common stock, par value Common Stock, Par or Stated Value Per Share Preferred stock, shares outstanding Preferred Stock, Shares Outstanding, Beginning Balance Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding Preferred stock, shares issued Preferred Stock, Shares Issued, Total Preferred Stock, Shares Issued Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Consolidated Statements of Income [Abstract] Diluted Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic Weighted Average Number of Shares Outstanding, Basic Net income per common share: Earnings Per Share [Abstract] Diluted Earnings Per Share, Diluted Basic Earnings Per Share, Basic Net income Net Income (Loss) Attributable to Parent Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest, Total Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Interest income Investment Income, Interest Income from operations Operating Income (Loss), Total Operating Income (Loss) Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction General and administrative General and Administrative Expense, Total General and Administrative Expense Research and development Research and Development Expense, Total Research and Development Expense Sales and marketing Selling and Marketing Expense, Total Selling and Marketing Expense Gross margin Gross Profit, Total Gross Profit Consolidated Statements of Cash Flows [Abstract] Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease), Total Cash and Cash Equivalents, Period Increase (Decrease) Effects of exchange rate - changes in cash Effect of Exchange Rate on Cash and Cash Equivalents Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities, Total Net Cash Provided by (Used in) Financing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Excess tax benefits from stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Proceeds from the exercise of stock options Proceeds from Stock Options Exercised Repurchase of common stock Payments for Repurchase of Common Stock Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities, Total Net Cash Provided by (Used in) Investing Activities Payments to Acquire Property, Plant, and Equipment, Total Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Purchase of short-term investments Payments to Acquire Short-term Investments Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities, Total Net Cash Provided by (Used in) Operating Activities Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Other liabilities Increase (Decrease) in Other Operating Liabilities Deferred revenue Increase (Decrease) in Deferred Revenue Accrued liabilities Increase (Decrease) in Accrued Liabilities, Total Increase (Decrease) in Accrued Liabilities Accounts payable Increase (Decrease) in Accounts Payable, Total Increase (Decrease) in Accounts Payable Increase (Decrease) in Other Operating Assets Other assets Other assets Increase (Decrease) in Prepaid, Deferred Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Prepaid, Deferred Expense and Other Assets, Total Prepaid expenses and other current assets Increase (Decrease) in Accounts Receivable Trade accounts receivable Trade accounts receivable Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Excess Tax Benefit from Share-based Compensation, Operating Activities Excess tax benefits from stock-based compensation Excess tax benefits from stock-based compensation Deferred income taxes Deferred Income Tax Expense (Benefit), Total Deferred Income Tax Expense (Benefit) Depreciation and amortization Depreciation, Depletion and Amortization, Total Depreciation, Depletion and Amortization Net income Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustment Foreign currency translation adjustment Tax benefits relating to share-based payments Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation Stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies Abstract. Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Income Taxes [Abstract] Income Taxes Income Tax Disclosure [Text Block] Basis of Presentation [Abstract] Credit Facility [Abstract] Operating Expenses [Abstract] Consolidated Statement of Stockholders' Equity [Abstract] Statement [Table] Statement, Equity Components [Axis] Equity Component [Domain] Parent [Member] Common Stock Additional Paid-In Capital Accumulated Deficit Accumulated Other Comprehensive Income (Loss) Statement [Line Items] Net Cash Provided by (Used in) Operating Activities [Abstract] Operating expenses: Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Income Tax Expense (Benefit), Total Income tax expense Income Tax Expense (Benefit) Cash flows from operating activities 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 Nature of Business [Abstract] Nature Of Business Abstract. Nature of Business Nature of Operations [Text Block] Contingencies Schedule of Loss Contingencies by Contingency [Text Block] Contingencies [Abstract] Contingencies [Abstract] Capitalization Schedule of Capitalization [Text Block] Capitalization [Abstract] Capitalization [Abstract] Stock Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock Plans [Abstract] Stock Plans [Abstract] Noncash stock-based compensation Share-based Compensation, Total Share-based Compensation Exercise of common stock options and vesting of restricted stock units, shares Stock Issued During Period, Shares, Share-based Compensation Exercise of common stock options and vesting of restricted stock units Stock Issued During Period, Value, Share-based Compensation Cost of revenues: Cost of Services [Abstract] Revenues: Sales Revenue, Services, Net [Abstract] Additional Paid-In Capital Services Revenue Services Services Revenue derived from customer support revenue and other professional services. Customer support includes software updates on a when-and-if-available basis, telephone support and bug fixes or patches. Other Professional Services include consulting, assessment design services and installation services and training. Licenses Revenue Software Revenues Total revenues Cost of Revenue Total cost of revenues License Costs Software Interest and Debt Expense Interest expense Interest and Debt Expense, Total Debt Disclosure [Text Block] Credit Facility Document and Entity Information Abstract. Document and Entity Information [Abstract] Document Fiscal Year Focus Document Fiscal Period Focus Other Assets, Current Prepaid expenses and other current assets Stock Repurchased During Period, Value Repurchase of common stock, Value Stock Repurchased During Period, Shares Repurchase of common stock, Shares Subsequent Events. Subsequent Events [Abstract] Schedule of Subsequent Events [Text Block] Subsequent Events Cost of Service Revenue Services Services Cost of generating revenue derived from customer support revenue and other professional services. Customer support includes software updates on a when and if available basis, telephone support and bug fixes or patches. Other Professional Services include consulting, assessment design services and installation services and training.