| In millions, except per share items | Jun-30-17 | Mar-31-17 | Dec-31-16 | Sep-30-16 | Jun-30-16 | Mar-31-16 | Dec-31-15 | Sep-30-15 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Revenues: | | | | | | | | |
| Product revenue | 7.0 | 8.9 | 10.4 | 9.6 | 9.6 | 7.5 | 8.8 | 7.8 |
| Services revenue | 7.4 | 7.8 | 8.8 | 7.8 | 8.2 | 8.5 | 8.8 | 9.0 |
| Maintenance revenue | 10.2 | 10.1 | 10.2 | 10.3 | 9.7 | 9.8 | 10.0 | 10.0 |
| Total revenues | 24.7 | 26.8 | 29.5 | 27.7 | 27.6 | 25.8 | 27.6 | 26.8 |
| Total revenues growth | -10.5% | 3.8% | 6.6% | 3.3% | 0.0% | 3.2% | -2.2% | -3.7% |
| Cost of revenues (excluding depreciation and amortization, shown below): | | | | | | | | |
| Cost of product revenue | 1.9 | 1.8 | 2.4 | 2.6 | 2.4 | 2.0 | 2.3 | 2.5 |
| Cost of services revenue | 4.5 | 4.8 | 4.9 | 5.2 | 5.7 | 5.6 | 5.8 | 6.0 |
| Cost of maintenance revenue | 0.5 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Total cost of revenues (excluding depreciation and amortization, shown below) | 6.8 | 7.3 | 8.0 | 8.3 | 8.7 | 8.2 | 8.8 | 9.1 |
| |
| Operating expenses: | | | | | | | | |
| Selling and marketing | 8.5 | 10.0 | 10.2 | 11.0 | 11.6 | 10.5 | 10.4 | 9.2 |
| Research and development | 4.7 | 5.5 | 5.7 | 6.1 | 6.5 | 6.2 | 5.5 | 5.3 |
| General and administrative | 4.7 | 4.5 | 5.8 | 3.7 | 9.1 | 6.2 | 4.9 | 5.1 |
| Depreciation and amortization | 1.1 | 1.2 | 1.2 | 1.2 | 1.3 | 1.4 | 1.6 | 1.6 |
| Total operating expenses | 19.0 | 21.1 | 23.0 | 22.0 | 28.6 | 24.3 | 22.3 | 21.1 |
| Operating loss | -1.1 | -1.7 | -1.5 | -2.6 | -9.7 | -6.7 | -3.5 | -3.4 |
| Operating margin | -4.7% | -6.2% | -5.1% | -9.4% | -35.2% | -26.1% | -12.6% | -12.7% |
| |
| Other income and expense: | | | | | | | | |
| Interest income | 0.0 | | 0.0 | | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest expense | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other income, net | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Total other income and expense | 0.0 | 0.0 | 0.0 | | 0.0 | 0.0 | 0.0 | 0.0 |
| Loss before income taxes | -1.1 | -1.7 | -1.6 | -2.6 | -9.7 | -6.7 | -3.5 | -3.4 |
| Income tax provision | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 |
| Net loss | -1.2 | -1.7 | -1.6 | -2.6 | -9.7 | -6.8 | -3.6 | -3.5 |
| |
| Net loss per share: | | | | | | | | |
| Basic (in dollars per share) | ($0.04) | ($0.06) | ($0.05) | ($0.09) | ($0.33) | ($0.24) | ($0.12) | ($0.12) |
| Diluted (in dollars per share) | ($0.04) | ($0.06) | ($0.05) | ($0.09) | ($0.33) | ($0.24) | ($0.12) | ($0.12) |
| |
| Weighted average number of shares used in per share calculation: | | | | | | | | |
| Basic (in shares) | 30.4 | 29.7 | 28.8 | 29.0 | 29.4 | 28.6 | 28.0 | 28.2 |
| Diluted (in shares) | 30.4 | 29.7 | 28.8 | 29.0 | 29.4 | 28.6 | 28.0 | 28.2 |