4. COMMON STOCK TRANSACTIONS (Tables) |
6 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Oct. 31, 2019 | ||||||||||||||||||||||||||||||||||||||||||||||
Equity [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
Schedule of non-vested restricted stock activity |
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X | ||||||||||
- References No definition available.
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X | ||||||||||
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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