| 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 | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Revenues, net | 56.8 | 49.9 | 39.5 | 45.7 | 39.1 | 1.1 | 22.9 | |
| Revenues, net growth | 24.3% | 27.8% | 72.6% | | | | | |
| Operating expenses | | | | | | | | |
| Sales and marketing expenses | 40.1 | 37.4 | | 32.4 | 27.4 | | | |
| Personnel expenses, including stock-based compensation of $4,467, $81, $6,623, and $155, respectively | 12.4 | 7.5 | 59.8 | 5.8 | 5.6 | | 5.3 | |
| General and administrative expenses, including non-employee stock-based compensation of $337, $0, $742, and $6, respectively | 5.2 | 4.5 | 2.3 | 2.0 | 2.4 | | 1.8 | |
| Information technology expenses | 1.4 | 0.9 | 1.2 | 1.2 | 1.3 | | 1.0 | |
| Provision for credit losses, net | 0.0 | | | -0.1 | | | | |
| Depreciation and amortization | 3.8 | 3.4 | 3.0 | 2.8 | 2.8 | | 3.3 | |
| Restructuring expense (income), net | -0.2 | 1.5 | 2.1 | | | | | |
| Total operating expenses | 125.9 | 110.5 | 96.2 | 88.1 | 39.8 | | 53.1 | |
| Income (loss) from operations | -5.9 | -4.6 | -56.8 | 1.7 | -0.7 | -0.3 | -3.4 | -0.2 |
| Operating margin | -10.3% | -9.3% | -143.8% | 3.6% | -1.8% | | -14.8% | |
| |
| Other income (expense) | | | | | | | | |
| Interest income | 0.3 | 0.3 | 0.0 | 0.1 | 0.1 | | 0.1 | |
| Interest expense | -8.4 | -8.2 | -7.2 | -6.6 | -6.2 | | -6.1 | |
| Gain on extinguishment of PPP loan | | | | 2.0 | | | 4.3 | |
| Changes in fair value of warrant liability | 0.4 | 0.0 | 0.7 | | | 1.4 | | 2.1 |
| Other income, net | 1.0 | 0.3 | -1.1 | 0.9 | -0.2 | | 0.9 | |
| Total other expense, net | -6.7 | -7.6 | -7.5 | -3.5 | -6.3 | 1.4 | 0.1 | 2.1 |
| Loss before income taxes | -12.6 | -12.2 | -64.3 | -1.9 | -6.9 | | -4.2 | |
| Provision for income taxes | -2.0 | -0.7 | -0.3 | -0.2 | -0.1 | | -0.1 | |
| Net loss | -14.6 | -12.9 | -64.6 | -2.1 | -7.0 | 1.1 | -4.3 | 2.0 |
| Cumulative dividends allocated to preferred stockholders | -2.7 | | | | | | | |
| Net loss attributable to common stockholders, basic | -17.3 | | | -2.1 | | | | |
| |
| Net loss attributable per share to common stockholders | | | | | | | | |
| Net loss attributable per share to common stockholders, basic | ($0.22) | ($0.15) | ($0.89) | ($0.03) | ($0.11) | | ($0.07) | |
| Net loss attributable per share to common stockholders, diluted | ($0.22) | ($0.15) | ($0.89) | ($0.03) | ($0.11) | | ($0.07) | |
| |
| Basic and diluted | | | | | | | | |
| Basic weighted average shares outstanding (in shares) | 77.2 | 83.7 | 72.5 | 60.8 | 60.8 | 57.4 | 60.8 | 30.9 |
| Diluted weighted average shares outstanding (in shares) | 77.2 | 83.7 | 72.5 | 60.8 | 60.8 | | 60.8 | |