| In millions, except per share items | Dec-31-11 | Sep-30-11 | Jun-30-11 | Mar-31-11 | Dec-31-10 | Sep-30-10 | Jun-30-10 | Mar-31-10 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Cash flows from operating activities: | | | | | | | | |
| Net income | 12.5 | 2.4 | 1.3 | | 0.1 | 1.5 | 1.9 | |
| Adjustments to reconcile net income (loss) to net cash from (used in) operating activities: | | | | | | | | |
| Depreciation and amortization | 0.6 | 1.7 | 1.2 | | 0.5 | 0.5 | 1.1 | |
| Amortization of intangible assets | 0.5 | 1.1 | 0.7 | | 0.2 | 0.2 | 0.6 | |
| Amortization of software development costs | 0.2 | 0.3 | 0.2 | | 0.1 | 0.0 | 0.0 | |
| Amortization of debt issuance costs | | | | | | 0.0 | 0.0 | |
| Deferred taxes | -12.3 | | | | | | | |
| Revaluation of warrants to fair value | | | | | | | 0.0 | |
| Stock-based compensation | 0.7 | 2.3 | 1.7 | | 0.5 | 0.5 | 1.1 | |
| Gain on sale of fixed assets | | | | | -0.1 | | | |
| Changes in operating assets and liabilities: | | | | | | | | |
| Accounts receivable | 2.1 | -3.4 | -3.9 | | 2.0 | -1.3 | 0.3 | |
| Prepaid expenses and other assets | -0.6 | 0.6 | 0.1 | | 0.1 | 0.4 | -0.2 | |
| Accounts payable | 0.3 | 0.5 | 1.2 | | -0.1 | 0.2 | -0.1 | |
| Accrued liabilities and accrued compensation | 1.0 | -0.7 | -0.5 | | 0.6 | -0.5 | 0.5 | |
| Deferred revenue | -1.3 | -0.1 | -1.5 | | -0.5 | 1.3 | -2.2 | |
| Net cash provided by operating activities | 3.7 | 4.8 | 0.4 | | 3.4 | 2.8 | 2.9 | |
| |
| Cash flows from investing activities: | | | | | | | | |
| Purchases of marketable securities | -20.9 | -11.1 | -9.5 | -15.1 | -14.2 | -32.6 | | |
| Sales of marketable securities | 15.8 | 17.1 | 7.9 | 13.9 | | | | |
| Proceeds from maturities of marketable securities | 3.9 | 26.0 | 10.9 | | | | | |
| Increase in restricted cash | -1.1 | | | | | -1.2 | | |
| Capitalized software development costs | -0.6 | -0.6 | -0.6 | -0.4 | -0.3 | -0.2 | -0.2 | -0.2 |
| Cost of acquisitions, net of cash acquired | -0.1 | -6.7 | -4.4 | | | | | |
| Purchase of property and equipment, net | -0.7 | -2.3 | -1.2 | | -1.0 | -0.6 | -1.0 | |
| Net cash used in investing activities | -7.5 | -7.5 | -9.4 | | -5.6 | -34.6 | -1.5 | |
| |
| Cash flows from financing activities: | | | | | | | | |
| Payments made on long-term debt and capital lease obligations | | 0.0 | 0.0 | | 0.0 | 0.0 | -2.2 | |
| Proceeds from common stock issuance in connection with initial public offering, net of issuance costs of $5,147 | | | | | | | 35.9 | |
| Shares acquired to settle employee tax withholding liability | 0.0 | -0.1 | -0.1 | | | | | |
| Proceeds from issuance of common stock upon exercise of options | 0.6 | 1.6 | 1.2 | | 0.5 | 0.0 | 0.2 | |
| Net cash provided by financing activities | 0.6 | 1.5 | 1.1 | | 0.5 | 0.0 | 33.9 | |
| Net change in cash and cash equivalents | -3.2 | -1.2 | -8.0 | | -1.7 | -31.9 | 35.4 | |
| Effect of exchange rates on cash and cash equivalents | 0.0 | 0.0 | | | | | | |
| Cash and cash equivalents at beginning of year | | 18.4 | 18.4 | | | | 16.7 | |
| Cash and cash equivalents at end of year | -3.2 | 17.3 | 10.5 | | -1.7 | -31.9 | 52.0 | |
| |
| Supplemental information: | | | | | | | | |
| Interest paid | | | | | 0.0 | | 0.1 | |
| Noncash financing activities: | | | | | | | | |
| Conversion of convertible preferred stock to common stock upon initial public offering | | 0.0 | | | | | -33.9 | |
| Conversion of Series P, Series Q, Series R and Series S common stock to undesignated common stock upon initial public offering | | | | | | | 0.0 | |
| Reclassification of preferred stock warrant liability to additional paid-in capital upon initial public offering | | | | | | | -1.4 | |