| Cash and cash equivalents | |
| Short-term investments | |
| Accounts receivable, net of allowances of $496 and $497 at June 30, 2011 and December 31, 2010, respectively | |
| Inventories | |
| Prepaid expenses | |
| Deferred tax assets | |
| Other current assets | |
| Total current assets | |
| Property and equipment, net | |
| Non-current net investment in sales-type leases | |
| Goodwill | |
| Other intangible assets | |
| Non-current deferred tax assets | |
| Other assets | |
| Total assets | |
| Accounts payable | |
| Accrued compensation | |
| Accrued liabilities | |
| Deferred service revenue | |
| Deferred gross profit | |
| Total current liabilities | |
| Long-term deferred service revenue | |
| Other long-term liabilities | |
| Total liabilities | |
| Total stockholders' equity | |
| Total liabilities and stockholders' equity |