| Net income (loss) | |
| Depreciation and amortization | 6.65M |
| Stock-based compensation | 14.1M |
| Gain on disposal of property and equipment | -158K |
| Share of loss of equity method investee | |
| Accounts receivable | 3.48M |
| Prepaid expenses and other assets | -1.46M |
| Accounts payable | -1.97M |
| Accrued compensation | 2.44M |
| Accrued expenses and other liabilities | 2.78M |
| Deferred revenues | -403K |
| Net cash provided by operating activities | |
| Purchases of property and equipment | -8.79M |
| Purchases of marketable securities | -56.5M |
| Maturities of marketable securities | |
| Purchase of other investments | -6.1M |
| Net cash used in investing activities | |
| Principal payments of notes payable | |
| Proceeds from issuance of common stock under stock plans | 9.11M |
| Net cash provided by financing activities | |
| Net increase (decrease) in cash and cash equivalents | |
| Cash and cash equivalents at the beginning of the period | 32.53M |
| Cash and cash equivalents at the end of the period | 34M |
| Cash paid for interest | |
| Cash paid for income taxes | |