In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| 10-Q | S-1/A | 10-K | 10-Q | 10-Q | 10-K | 10-Q/A | 10-Q |
Net revenue | | | | 7.9 | 29.3 | 31.3 | | |
Operating costs and expenses: | | | | | | | | |
Cost of revenue | | | | 1.5 | | | | |
Research and development | | | | 2.6 | | | | |
Selling, general and administrative | | | | 14.3 | | | | |
Intangible amortization | | | | 0.9 | | | | |
Total operating costs and expenses | | | | 19.4 | | | | |
Loss from operations | | | | -152.5 | -141.2 | -141.0 | | |
Operating margin | | | | -1923.5% | | | | |
|
Other (income) expense: | | | | | | | | |
Loss (gain) on derivative liability | | | | 5.3 | | 0.0 | | |
Interest expense, net | | | | 3.7 | | | | |
Loss on foreign currency exchange | | | | 0.0 | | | | |
Total other expense | | | | 6.4 | | | | |
Loss before income taxes | | | | -106.3 | | -88.4 | | |
Income tax expense | | | | 0.0 | | | | |
Net loss | | | | -108.2 | -90.6 | -88.4 | | |
|
Earnings Per Share [Abstract] | | | | | | | | |
Net loss per share attributable to common stockholders - basic | | | | ($0.91) | ($0.79) | ($0.65) | | |
Net loss per share attributable to common stockholders - diluted | | | | ($0.91) | ($0.79) | ($0.65) | | |
|
Weighted Average Number of Shares Outstanding, Diluted [Abstract] | | | | | | | | |
Weighted average number of shares during the period-basic | | | | 42.1 | 13.2 | 12.7 | | |
Weighted average number of shares during the period -diluted | | | | 75.3 | 46.4 | 45.9 | | |