| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Revenue: | | | | | | | | |
| Revenue | 5.8 | 5.7 | 5.0 | 6.5 | 6.5 | 7.2 | 7.3 | 8.6 |
| Revenue growth | -10.6% | -20.8% | -30.9% | -24.6% | -25.4% | -16.9% | -20.9% | -15.0% |
| Cost of revenue: | | | | | | | | |
| Cost of revenue | 2.5 | 2.5 | 2.0 | 2.6 | 1.9 | 2.1 | 2.1 | 2.7 |
| Gross margin | 3.3 | 3.3 | 3.0 | 3.9 | 4.6 | 5.2 | 5.1 | 5.9 |
| Gross margin | 57.2% | 57.1% | 60.7% | 60.6% | 70.5% | 71.3% | 71.0% | 68.9% |
| |
| Operating expenses: | | | | | | | | |
| Selling and marketing | 2.6 | 2.7 | 2.9 | 3.1 | 2.9 | 3.2 | 3.1 | 3.2 |
| General and administrative | 1.1 | 1.0 | 1.6 | 1.4 | 1.4 | 1.3 | 1.8 | 1.5 |
| Product development | 3.1 | 2.4 | 2.8 | 1.9 | 1.9 | 1.9 | 1.8 | 1.9 |
| Impairment of capitalized software development | 3.8 | | | | | | | |
| Total operating expenses | 10.5 | 6.1 | 7.3 | 6.4 | 6.2 | 6.4 | 6.7 | 6.6 |
| Loss from operations | -7.2 | -2.8 | -4.3 | -2.5 | -1.7 | -1.3 | -1.5 | -0.6 |
| Operating margin | -125.2% | -48.5% | -85.6% | -38.2% | -25.8% | -17.3% | -20.9% | -7.5% |
| |
| Non-operating income (expenses): | | | | | | | | |
| Interest expense, net | -0.5 | -0.5 | -0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net | -0.2 | 0.0 | 0.2 | -0.2 | -0.2 | 0.0 | 0.0 | 0.0 |
| Total non-operating income (expense) | -0.6 | -0.5 | 0.2 | -0.2 | -0.2 | 0.0 | 0.0 | 0.0 |
| Loss before income taxes | -7.9 | -3.3 | -4.3 | -2.7 | -1.8 | -1.3 | -1.5 | -0.6 |
| Income tax benefit (expense) | 0.0 | -0.1 | -0.1 | 0.0 | 0.3 | -0.1 | 0.0 | 0.2 |
| Net loss | -7.9 | -3.4 | -4.4 | -2.7 | -1.5 | -1.3 | -1.5 | -0.5 |
| |
| Loss per common share | | | | | | | | |
| – basic (in dollars per share) | ($0.65) | ($0.28) | ($0.38) | ($0.26) | ($0.14) | ($0.15) | ($0.17) | ($0.07) |
| – diluted (in dollars per share) | ($0.65) | ($0.28) | ($0.38) | ($0.26) | ($0.14) | ($0.15) | ($0.17) | ($0.06) |
| |
| Weighted average common shares | | | | | | | | |
| – basic (in shares) | 12.1 | 12.1 | 11.5 | 9.9 | 10.5 | 9.1 | 9.1 | 8.2 |
| – diluted (in shares) | 12.1 | 12.1 | 11.5 | 9.9 | 10.5 | 9.1 | 9.1 | 8.7 |