| In millions, except per share items | Jun-30-18 | Mar-31-18 | Dec-31-17 | Sep-30-17 | Jun-30-17 | Mar-31-17 | Dec-31-16 | Sep-30-16 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| REVENUES: | | | | | | | | |
| Revenues | 2.2 | 2.3 | 11.1 | 3.5 | 17.8 | 5.3 | 9.9 | 12.1 |
| Revenues growth | -87.6% | -57.0% | 12.8% | -71.5% | 104.0% | 2.8% | -40.5% | -9.6% |
| Cost of revenues | | | | | | | | |
| Gross margin | 0.4 | 0.4 | 2.7 | 0.6 | 3.6 | 0.8 | 0.5 | 2.0 |
| Gross margin | 16.7% | 15.9% | 24.0% | 18.5% | 20.3% | 14.2% | 5.2% | 16.7% |
| |
| OPERATING EXPENSES: | | | | | | | | |
| Sales and marketing | 0.5 | 0.6 | 0.6 | 0.7 | 0.7 | 0.6 | 0.8 | 0.8 |
| Research and development | 0.3 | 0.3 | 0.3 | 0.5 | 0.5 | 0.6 | 0.4 | 0.6 |
| General and administrative | 0.7 | 1.0 | 0.8 | 0.8 | 1.3 | 1.1 | 1.3 | 1.8 |
| Gain on sale of assets | | | -0.4 | -0.7 | -0.2 | -0.2 | -1.0 | |
| Total operating expenses | 1.5 | 1.9 | 3.0 | 3.2 | 4.7 | 4.6 | 14.7 | 3.3 |
| (Loss) income from operations | -1.2 | -1.6 | 1.4 | -0.6 | 1.3 | -1.4 | -1.4 | -1.2 |
| Operating margin | -52.5% | -68.2% | 12.4% | -18.3% | 7.4% | -26.6% | -13.9% | -10.1% |
| Interest expense | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other (expense) income | 0.2 | -0.2 | -0.3 | -0.1 | -0.4 | 0.3 | 0.5 | -0.1 |
| (Loss) income before provision for income taxes | -1.0 | -1.8 | 1.1 | -0.7 | 0.9 | -1.2 | -0.9 | -1.3 |
| Provision for income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.1 | 0.1 |
| NET (LOSS) INCOME | -1.0 | -1.8 | 1.1 | -0.8 | 0.9 | -1.2 | -0.8 | -1.4 |
| |
| Other comprehensive (loss) income | | | | | | | | |
| Change in cumulative translation adjustment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.1 | 0.0 |
| COMPREHENSIVE (LOSS) INCOME | -1.0 | -1.8 | 1.1 | -0.8 | 0.9 | -1.2 | -0.9 | -1.4 |
| Net (loss) income applicable to common shareholders (Note3) | -1.0 | -1.8 | 1.1 | -0.8 | 0.9 | -1.2 | -0.8 | -1.4 |
| |
| Net (loss) income per common share | | | | | | | | |
| Basic and diluted (in dollars per share) | ($0.04) | ($0.08) | $0.05 | ($0.03) | $0.04 | ($0.05) | ($0.04) | ($0.06) |
| |
| Weighted average shares used in calculating: | | | | | | | | |
| Basic earnings per share (in shares) | 23.9 | 23.9 | 23.7 | 23.7 | 23.7 | 23.6 | 23.2 | 23.2 |
| Diluted earnings per share (in shares) | 23.9 | 23.9 | 23.7 | 23.7 | 23.7 | 23.6 | 23.2 | 23.2 |