| 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 |
| CURRENT ASSETS: | | | | | | | | |
| Cash and cash equivalents | 0.7 | 2.1 | 3.9 | 5.8 | 6.5 | 6.6 | 5.4 | 3.2 |
| Accounts receivable — net of allowance for doubtful accounts $17 at June 30, 2018 and $0 at December 31, 2017 | 0.8 | 1.4 | 1.5 | 1.5 | 4.0 | 1.4 | 0.7 | 0.8 |
| Unbilled revenue | 0.3 | 0.3 | 1.3 | 0.3 | 1.1 | 1.1 | 2.6 | 0.9 |
| Inventories — net (Note 5) | 4.9 | 5.4 | 5.3 | 7.5 | 12.9 | 19.0 | 7.2 | 18.4 |
| Deferred costs | | 0.2 | 0.2 | 1.6 | 0.2 | 1.6 | 0.4 | 0.7 |
| Prepaid expenses and other current assets | 0.7 | 0.7 | 0.7 | 0.4 | 0.3 | 0.6 | 0.6 | 0.8 |
| Total current assets | 7.3 | 10.1 | 12.9 | 17.1 | 41.8 | 48.2 | 16.8 | 43.3 |
| Property, plant and equipment — net (Note 6) | 1.1 | 1.2 | 1.4 | 1.6 | 1.7 | 1.5 | 1.5 | 1.7 |
| Goodwill | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.7 |
| Other assets | 0.1 | 0.1 | 0.1 | | | | | 0.0 |
| Total Assets | 8.9 | 11.8 | 14.6 | 19.0 | 20.2 | 22.4 | 18.7 | 20.2 |
| |
| CURRENT LIABILITIES: | | | | | | | | |
| Working capital revolving line of credit (Note 8) | 1.0 | 1.4 | 1.5 | 1.9 | 1.9 | 1.9 | 1.6 | |
| Accounts payable | 5.3 | 6.3 | 6.8 | 6.8 | 6.5 | 4.4 | 3.4 | 3.6 |
| Accrued expenses (Note 9) | 1.9 | 2.1 | 2.6 | 2.7 | 3.1 | 2.9 | 2.9 | 3.1 |
| Accrued compensation | 0.8 | 0.9 | 0.9 | 0.9 | 1.4 | 1.3 | 1.6 | 1.6 |
| Deferred revenue | 1.9 | 2.1 | 1.7 | 3.9 | 2.0 | 3.3 | 1.8 | 2.0 |
| Customer deposits | 1.8 | 1.6 | 1.8 | 4.4 | 5.3 | 9.5 | 7.4 | 6.8 |
| Other current liabilities | 0.2 | 0.2 | 0.1 | 0.2 | 0.9 | 0.9 | 0.1 | |
| Total current liabilities | 12.9 | 14.6 | 15.6 | 20.8 | 21.1 | 24.0 | 18.8 | 19.3 |
| Deferred revenue, less current portion | 1.0 | 1.1 | 1.3 | 1.6 | 1.8 | 2.0 | 2.3 | 2.5 |
| Deferred income taxes (Note 13) | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 |
| Total Liabilities | 13.9 | 15.7 | 16.9 | 22.5 | 23.0 | 26.1 | 21.2 | 22.0 |
| |
| Commitments and Contingencies (Note 16) | | | | | | | | |
| SHAREHOLDERS’ DEFICIENCY: | | | | | | | | |
| Voting common shares | 165.7 | 165.7 | 165.7 | 165.7 | 165.7 | 165.6 | 165.6 | 165.6 |
| Additional paid-in capital | 9.3 | 9.3 | 9.3 | 9.2 | 9.2 | 9.2 | 9.2 | 9.1 |
| Accumulated other comprehensive income (loss) | 0.0 | 0.0 | 0.0 | | 0.0 | 0.0 | -0.1 | 0.0 |
| Accumulated deficit | -179.9 | -178.9 | -177.2 | -178.4 | -177.6 | -178.5 | -177.3 | -176.5 |
| Total Shareholders’ Deficiency | -5.0 | -3.9 | -2.3 | -3.5 | -2.7 | -3.7 | -2.6 | -1.8 |
| Total Liabilities and Shareholders’ Deficiency | 8.9 | 11.8 | 14.6 | 19.0 | 20.2 | 22.4 | 18.7 | 20.2 |