| In millions, except per share items | Jan-31-23 | Oct-31-22 | Apr-30-22 | Jan-31-22 | Oct-31-21 | Jul-31-21 | Apr-30-21 | Jan-31-21 |
| | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| REVENUE | | | | | | | | |
| Rental – Third Party | | | 0.5 | 0.6 | 0.7 | 0.9 | 1.1 | 1.2 |
| Rental – Related Party | | | 1.1 | 1.1 | 1.6 | 2.1 | 2.1 | 2.1 |
| Other – Related Party | | | | | 0.4 | | 0.4 | |
| Total revenue | | | 2.1 | 2.2 | 3.1 | 4.0 | 4.2 | 4.5 |
| Total revenue growth | | | -50.3% | -50.3% | -34.6% | -19.1% | -16.4% | -14.3% |
| COSTS AND EXPENSES | | | | | | | | |
| General and administrative | | | | 1.7 | | | | |
| Research and development | | | 1.8 | 1.6 | 6.5 | 4.9 | 4.4 | 3.8 |
| Depreciation and amortization | | | 0.8 | 0.6 | 1.0 | 1.5 | 1.5 | 1.8 |
| Provision for losses on related party receivables | | | | | 17.3 | | | 7.0 |
| Loss from operations | | | -69.0 | -67.6 | -76.9 | -29.8 | -19.8 | -18.3 |
| Operating margin | | | -3272.6% | -3041.4% | -2472.1% | -750.7% | -467.7% | -409.4% |
| Interest expense | | | -0.4 | | 0.0 | | 0.0 | |
| Interest income | | | 0.2 | | 0.2 | | 0.0 | |
| Loss from continuing operations before income taxes | | | -148.4 | -145.6 | -151.9 | -25.1 | -14.3 | -13.8 |
| Provision for income taxes | | | 0.6 | 0.6 | 0.6 | 0.0 | 0.0 | 0.0 |
| Equity in loss of RP Finance | | | | | -0.3 | 0.4 | 0.4 | 0.4 |
| Consolidated net loss from continuing operations | | | -149.1 | -146.2 | -152.4 | -24.9 | -18.1 | -17.6 |
| |
| Discontinued Operations (Note 3) | | | | | | | | |
| Loss from discontinued operations related to 520 Property | | | | -1.1 | -0.5 | | | |
| (Loss) income from discontinued operations | | | | -1.1 | -0.5 | | | |
| Consolidated net loss | | | -125.2 | -122.3 | -128.0 | 0.0 | -7.1 | -6.7 |
| Net loss attributable to noncontrolling interests | | | -17.5 | -17.6 | -17.4 | 0.0 | 0.1 | 0.1 |
| Net loss attributable to Rafael Holdings, Inc. | | | -107.7 | -104.7 | -110.6 | 0.0 | -7.2 | -6.8 |
| |
| OTHER COMPREHENSIVE LOSS | | | | | | | | |
| Consolidated net loss | | | -125.2 | -122.3 | -128.0 | 0.0 | -7.1 | -6.7 |
| Foreign currency translation adjustment | | | 0.0 | 0.2 | 0.1 | | 0.0 | 0.0 |
| |
| Total comprehensive loss | | | | | | | | |
| Comprehensive loss attributable to noncontrolling interests | | | | | | | | |
| Total comprehensive loss attributable to Rafael Holdings, Inc. | | | -149.8 | -146.7 | -152.7 | -24.8 | -17.8 | -17.4 |
| |
| Loss per share attributable to common shareholders | | | | | | | | |
| Continuing operations - basic and diluted (in Dollars per share) | | | | 0.0 | 0.0 | | | |
| Discontinued operations - basic and diluted (in Dollars per share) | | | | 0.0 | 0.0 | | | |
| |
| Total basic and diluted (loss) per share (in Dollars per share) | | | ($7.05) | ($6.92) | ($7.30) | ($1.48) | ($1.08) | ($1.07) |
| |
| Weighted average number of shares used in calculation of loss per share | | | | | | | | |
| Basic and diluted (in Shares) | | | 18.7 | 18.0 | 17.1 | 16.3 | 16.1 | 15.9 |