BUSINESS AND FUNDING (Details) - Patents - Patents [Member] - USD ($) |
6 Months Ended | ||
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Jan. 31, 2019 |
Apr. 30, 2019 |
Apr. 30, 2018 |
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| BUSINESS AND FUNDING (Details) - Patents [Line Items] | |||
| Amortization of Intangible Assets | $ 377,000 | $ 163,000 | |
| Impairment of Intangible Assets (Excluding Goodwill) | $ 419,000 | ||
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- References No definition available.
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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