| Revenue | — | — | — |
| Product | 39,253a | 43,142a | 38,018a |
| Services | 14,550a | 13,856a | 13,539a |
| Total revenue | 53,803a | 56,998a | 51,557a |
| Cost of sales | — | — | — |
| Product | -14,339a | -16,590a | -14,814a |
| Services | -4,636a | -4,655a | -4,495a |
| Total cost of sales | -18,975a | -21,245a | -19,309a |
| Gross margin | 34,828a | 35,753a | 32,248a |
| Operating expenses | — | — | — |
| Research and development | -7,983a | -7,551a | -6,774a |
| Sales and marketing | -10,364a | -9,880a | -9,085a |
| General and administrative | -2,813a | -2,478a | -2,101a |
| Amortization of purchased intangible assets | -698a | -282a | -313a |
| Restructuring and other charges | -789a | -531a | -6a |
| Total operating expenses | -22,647a | -20,722a | -18,279a |
| Operating income | 12,181a | 15,031a | 13,969a |
| Interest income | 1,365a | 962a | 476a |
| Interest expense | -1,006a | -427a | -360a |
| Other income (loss), net | -306a | -248a | 392a |
| Interest and other income (loss), net | 53a | 287a | 508a |
| Income before provision for income taxes | 12,234a | 15,318a | 14,477a |
| Provision for income taxes | -1,914a | -2,705a | -2,665a |
| Net income | 10,320a | 12,613a | 11,812a |