| In millions, except per share items | Dec-31-22 | Mar-31-21 | Mar-31-20 | Mar-31-19 | Mar-31-18 | Mar-31-17 | Mar-31-16 | Mar-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenue: | | | | | | | | |
| Total revenue, net | 61.8 | 38.3 | 24.2 | 29.7 | 17.9 | 12.9 | 0.4 | 0.7 |
| Total revenue, net growth | | 58.3% | -18.5% | 65.5% | 39.2% | 3537.2% | -50.1% | -32.4% |
| Operating costs and expenses: | | | | | | | | |
| Cost of sales and service | 8.2 | 7.6 | 2.5 | | | | | |
| Commissions | 27.0 | 14.5 | 13.6 | 21.5 | 14.3 | 9.4 | | |
| Selling and marketing | 0.1 | 0.9 | 1.7 | 0.9 | 0.5 | 0.5 | | |
| Salary and related | 7.4 | 4.4 | 6.6 | 4.3 | 2.3 | 1.9 | | |
| Professional fees | 2.6 | 3.2 | 1.4 | 1.6 | 2.6 | 0.9 | | |
| Impairment expense | 14.6 | 0.6 | 4.2 | | | | | |
| Loss (gain) on disposal of assets | -0.3 | | | | | | 0.0 | 0.0 |
| General and administrative | 10.7 | 6.4 | 7.6 | 4.1 | 2.3 | | | |
| Total operating costs and expenses | 70.5 | 37.5 | 37.5 | 33.6 | 28.6 | 14.8 | 2.0 | 5.6 |
| Net income (loss) from operations | -8.6 | 0.8 | -13.3 | -3.9 | -10.7 | -1.9 | -1.7 | -4.9 |
| Operating margin | -13.9% | 2.0% | -55.1% | -13.3% | -59.6% | -15.1% | -470.4% | -692.2% |
| |
| Other income (expense): | | | | | | | | |
| Gain (loss) on debt extinguishment | 0.0 | 5.5 | 2.0 | 0.0 | -2.8 | | | -4.2 |
| Gain (loss) on fair value of derivative liability | 0.0 | 0.1 | 0.6 | -0.2 | | | | 4.2 |
| Realized gain (loss) on cryptocurrency | -1.6 | 1.0 | 0.1 | 0.0 | 0.0 | | | |
| Interest expense | 0.0 | -5.6 | -6.3 | -1.8 | -0.1 | -0.2 | -0.7 | -0.6 |
| |
| Interest expense, related parties | | | | | | | | |
| Other income (expense) | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | | 0.0 |
| Total other income (expense) | -4.0 | -0.1 | -8.0 | 0.0 | -4.2 | -0.5 | | |
| Income (loss) before income taxes | -12.6 | 0.7 | -21.3 | -4.9 | -14.9 | | | |
| Income tax expense | -0.3 | -0.1 | 0.0 | -0.1 | 0.0 | 0.0 | | 0.2 |
| Net income (loss) | -12.9 | 0.6 | -21.3 | -5.0 | -14.9 | -2.4 | -2.1 | -9.4 |
| Dividends on Preferred Stock | -0.8 | -0.2 | | | | | | |
| Net income (loss) applicable to common shareholders | -13.8 | 0.3 | -21.3 | -5.0 | -14.9 | | | -9.2 |
| |
| Other comprehensive income (loss), net of tax: | | | | | | | | |
| Foreign currency translation adjustments | 0.0 | 0.0 | 0.0 | 0.0 | | | | |
| |
| Total other comprehensive income (loss) | | | | | | | | |
| Comprehensive income (loss) | -12.9 | 0.6 | -21.3 | -5.0 | -14.9 | | | |
| |
| Basic income (loss) per common share | ($0.01) | | ($0.01) | | ($0.01) | ($0.07) | ($0.14) | ($0.80) |
| Diluted income (loss) per common share | ($0.01) | | ($0.01) | | ($0.01) | ($0.07) | ($0.14) | ($0.80) |
| |
| Basic weighted average number of common shares outstanding | 2,677.7 | 3,138.4 | 2,937.9 | 2,234.1 | 1,911.8 | 32.9 | 14.6 | 11.7 |
| Diluted weighted average number of common shares outstanding | 2,677.7 | 3,138.4 | 2,937.9 | 2,234.1 | 1,911.8 | 32.9 | 14.6 | 13.3 |