| In millions, except per share items | Jun-30-23 | Mar-31-23 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 10-Q | 8-K | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Revenue, net | 5.0 | 4.0 | 3.3 | 4.1 | 5.0 | 4.2 | 4.0 | 3.7 |
| Revenue, net growth | 21.5% | -21.1% | -18.0% | 11.7% | 45.0% | 25.3% | 2.9% | 89.4% |
| Cost of sales | -2.3 | -1.7 | | -1.6 | -2.4 | -4.5 | -1.5 | -1.9 |
| Gross profit | 2.7 | 2.2 | 0.3 | 2.5 | 2.6 | -0.3 | 2.5 | 1.8 |
| Gross margin | 54.7% | 56.2% | 8.5% | 60.5% | 51.4% | -6.9% | 62.9% | 48.1% |
| |
| Expenses | | | | | | | | |
| General and administrative | 4.8 | 5.4 | 6.1 | 6.4 | 7.0 | 8.0 | 11.1 | 10.3 |
| Sales and marketing | 0.5 | 0.5 | 0.6 | 0.7 | 0.7 | 1.5 | 0.8 | 0.2 |
| Research and development | 0.4 | 0.2 | 0.3 | 0.4 | 0.4 | | | 0.3 |
| Restructuring expenses | | | -0.1 | | 3.8 | | | |
| Depreciation and amortization | 0.2 | 0.2 | | 0.3 | 0.3 | 0.3 | 0.3 | 0.5 |
| Total expenses | 14.3 | 15.4 | 26.0 | 18.8 | 28.4 | 61.5 | 29.7 | 26.5 |
| Loss from operations | -3.2 | -4.1 | -26.2 | -5.3 | -9.7 | -30.2 | -9.7 | -9.6 |
| Operating margin | -63.7% | -103.8% | -792.5% | -130.4% | -192.8% | -718.9% | -240.2% | -261.5% |
| |
| Other Expense (Income), net | | | | | | | | |
| Interest and amortization of debt issuance cost | 0.0 | 0.0 | | 0.6 | 2.1 | 9.2 | -0.5 | 0.9 |
| Loss (Gain) on remeasurement of warrant liability | 0.0 | 0.0 | | -1.3 | -0.5 | | | |
| Gain on investment | | | | -6.9 | | | | |
| Loss on debt extinguishment, net | | | | | 2.3 | 0.1 | -3.4 | |
| Foreign exchange loss | 0.1 | 0.0 | 0.8 | 0.3 | 0.2 | 0.1 | 0.3 | 0.1 |
| Other (income) expense, net | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.4 | -1.0 | 0.5 |
| Total other expenses (income), net | 0.2 | 0.0 | 0.0 | -7.2 | 4.0 | -7.2 | -10.7 | -0.7 |
| Loss (income) before income taxes and equity investment loss | -3.3 | -4.2 | -26.8 | 1.9 | -13.8 | -23.0 | 1.0 | -8.9 |
| Equity investment share of loss | | | | | 0.1 | 0.1 | 0.0 | 0.0 |
| Loss (income) from continuing operations | -3.3 | -4.2 | | 1.9 | -13.8 | | | |
| Loss from discontinued operations | -0.3 | 0.1 | | -2.9 | -2.3 | | | |
| Net loss | -3.6 | -4.1 | -20.2 | -1.0 | -16.1 | -24.0 | 1.0 | -9.0 |
| |
| Net loss per share: | | | | | | | | |
| Basic from continuing operations (USD per share) | 0.0 | 0.0 | | 0.0 | 0.0 | | | |
| Diluted from continuing operations (USD per share) | 0.0 | 0.0 | | 0.0 | 0.0 | | | |
| Basic from discontinued operations (USD per share) | 0.0 | | | 0.0 | 0.0 | | | |
| Diluted from discontinued operations (USD per share) | 0.0 | | | 0.0 | 0.0 | | | |
| |
| Net loss per share - basic (USD per share) | ($0.08) | ($0.09) | ($0.48) | ($0.03) | ($0.58) | ($0.93) | $0.04 | ($0.35) |
| Net loss per share - diluted (USD per share) | ($0.08) | ($0.09) | ($0.48) | ($0.03) | ($0.58) | ($0.93) | $0.04 | ($0.35) |
| |
| Weighted-average common shares outstanding - basic (in shares) | 44.9 | 43.9 | 42.2 | 39.6 | 28.0 | 25.7 | 25.8 | 25.6 |
| Weighted-average common shares outstanding - diluted (in shares) | 44.9 | 43.9 | 42.2 | 39.6 | 28.0 | 25.7 | 25.8 | 25.6 |
| Weighted-average common shares outstanding per share, basic (USD per share) | 0.0 | | | 0.0 | | | | |
| Weighted-average common shares outstanding per share, diluted (USD per share) | 0.0 | | | 0.0 | | | | |