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 |
Revenue: | | | | | | | | |
Subscription | 12.8 | 12.4 | 12.0 | | 11.8 | 11.6 | 11.5 | |
Services | 5.0 | 4.7 | 4.0 | | 3.2 | 3.1 | 2.9 | |
Usage | 2.6 | 3.9 | 4.7 | | 2.0 | 3.2 | 3.9 | |
Total revenue | 20.4 | 21.0 | 20.7 | | 17.0 | 17.9 | 18.2 | |
Total revenue growth | 20.1% | 17.8% | 13.4% | | 7.6% | 10.0% | 11.0% | -100.0% |
Cost of revenue: | | | | | | | | |
Cost of subscription and usage | 3.6 | 3.4 | 3.3 | | 3.2 | 3.1 | 3.1 | |
Cost of services | 4.6 | 4.7 | 4.3 | | 3.2 | 3.4 | 3.3 | |
Total cost of revenue | 8.2 | 8.0 | 7.6 | | 6.3 | 6.5 | 6.4 | |
Gross profit | 12.2 | 13.0 | 13.1 | | 10.6 | 11.4 | 11.8 | |
Gross margin | 60.0% | 61.8% | 63.2% | | 62.7% | 63.6% | 64.8% | |
|
Operating expenses: | | | | | | | | |
Sales and marketing | 6.6 | 6.3 | 6.5 | | 6.1 | 5.1 | 5.9 | |
Research and development | 2.7 | 2.7 | 2.6 | | 2.7 | 2.7 | 2.6 | |
General and administrative | 2.6 | 2.4 | 2.3 | | 1.8 | 1.7 | 1.6 | |
Amortization of other intangibles | 0.3 | 0.3 | 0.2 | | 0.2 | 0.2 | 0.2 | |
Total operating expenses | 12.1 | 11.7 | 11.6 | | 10.8 | 9.7 | 10.3 | |
Income (loss) from operations | 0.1 | 1.3 | 1.5 | | -0.2 | 1.7 | 1.5 | |
Operating margin | 0.6% | 6.2% | 7.1% | | -0.9% | 9.4% | 8.3% | |
Interest income | 0.0 | 0.0 | 0.0 | | 0.0 | 0.0 | 0.0 | |
Interest expense | | | | | 0.0 | 0.0 | -0.1 | |
Other income (expense) | 0.0 | 0.0 | | | 0.1 | | 0.5 | |
Income before income taxes | 0.2 | 1.3 | 1.5 | | -0.1 | 1.7 | 1.9 | |
Provision (benefit) for income taxes | -12.3 | 0.2 | 0.2 | | -0.1 | 0.2 | 0.2 | |
Net income | 12.5 | 1.1 | 1.3 | | 0.1 | 1.5 | 1.7 | |
|
Net income attributable to common stockholders (note 2) | | | | | | | | |
Basic | 12.5 | 1.1 | 1.3 | | 0.2 | 1.5 | 1.5 | |
Diluted | 12.5 | 1.1 | 1.3 | | 0.2 | 1.5 | 1.5 | |
|
Net income (loss) per share attributable to common stockholders (note 2): | | | | | | | | |
Basic | $0.69 | $0.06 | $0.07 | | | $0.09 | $0.11 | |
Diluted | $0.64 | $0.06 | $0.07 | | | $0.08 | $0.10 | |
|
Weighted average shares used in computing net income per share attributable to common stockholders [Abstract] | | | | | | | | |
Basic | 18.2 | 18.3 | 18.1 | | 14.2 | 17.4 | 14.2 | |
Diluted | 19.5 | 19.5 | 19.6 | | 17.5 | 18.9 | 17.5 | |