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Rafael Holdings, Inc. Spin-Off (Details) - USD ($) $ in Thousands | Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2015
--- | --- | --- | --- | ---
Cash and cash equivalents | $ 5,892 | $ 5,716 | $ 5,536 | $ 571
Other assets | 5,706 | 5,134 |  |
Current liabilities | (128,770) | $ (115,318) |  |
Rafael Holdings [Member] |  |  |  |
Cash and cash equivalents | 9,287 |  |  |
Marketable securities | 32,989 |  |  |
Trade accounts receivable | 53 |  |  |
Other current assets | 2,329 |  |  |
Property, plant and equipment, net | 50,624 |  |  |
Investments | 17,650 |  |  |
Other assets | 2,240 |  |  |
Current liabilities | (159) |  |  |
Other liabilities | (94) |  |  |
Noncontrolling interests | (8,653) |  |  |
Rafael equity | $ 106,266 |  |  |

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