| In millions, except per share items | Jun-30-22 | Jun-30-21 | Jun-30-20 | Jun-30-19 | Jun-30-18 | Jun-30-17 | Jun-30-16 | Jun-30-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K | 10-K |
| Net revenue | 58.4 | 16.8 | -2.4 | 2.5 | 2.0 | | | |
| Net revenue growth | 247.7% | -790.0% | -196.5% | 25.6% | | | | |
| Operating costs and expenses: | | | | | | | | |
| Cost of revenue | 24.2 | 7.9 | -12.1 | | | | | |
| Sales and marketing | 25.7 | 10.0 | 0.3 | | | | | |
| General and administrative | 51.3 | 24.6 | 3.7 | 3.0 | 2.0 | 0.2 | 0.1 | 0.0 |
| Total operating expenses | 147.7 | 42.5 | -8.1 | | | | | |
| Operating loss | 89.4 | 25.7 | 4.0 | 3.0 | 2.0 | | | |
| Operating margin | -153.1% | -153.3% | 166.5% | -119.6% | -100.0% | | | |
| |
| Other income (expense): | | | | | | | | |
| Interest expense | -6.4 | -0.7 | -2.0 | -5.6 | 0.0 | | 0.0 | 0.0 |
| Change in fair value of derivative liability on the senior convertible note | -10.9 | | | | | | | |
| Change in fair value of warrant liability | 31.5 | -1.5 | | | | | | |
| Change in fair value of contingent consideration | 2.4 | -1.7 | | | | | | |
| Other non-operating income (loss) | -0.6 | -0.5 | 0.2 | | | | | |
| Total other income (expense), net | -18.5 | -4.5 | -6.3 | -3.4 | | | | |
| Loss before income taxes | 107.9 | 30.2 | 10.3 | -6.4 | -2.0 | | | |
| |
| Income tax benefit (expense) | | | | | | | | |
| Net loss | 102.2 | 26.4 | 10.4 | -6.4 | -2.0 | 0.8 | -0.3 | -0.3 |
| Dividend on 10% Series A cumulative redeemable convertible preferred stock | -0.5 | | | | | | | |
| Accretion of 10% Series A cumulative redeemable convertible preferred stock to redemption value | -0.2 | | | | | | | |
| Net loss attributable to common stockholders | 102.9 | 26.4 | | | | | | |
| |
| Net loss per common share: | | | | | | | | |
| Basic and diluted loss per common share | ($3.56) | ($1.68) | ($1.50) | ($1.10) | ($0.02) | $0.01 | | |
| |
| Weighted average number of common shares outstanding, basic and diluted | 28.9 | 15.7 | 6.9 | 5.8 | 82.6 | 72.4 | 69.0 | 66.0 |