9. COMMITMENTS AND CONTINGENCIES (Tables) |
6 Months Ended | |||||||||||||||
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Oct. 31, 2015 | ||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | ||||||||||||||||
| Schedule of operating leases |
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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