3. TRADE AND OTHER RECEIVABLES (Tables)

9 Months Ended

Jan. 31, 2018

Receivables [Abstract]

Schedule of trade and other receivables

	January 31, 2018		April 30, 2017
Trade receivables(1)	$	7,967,000	$	7,274,000
Other receivables		–		468,000
Total trade and other receivables	$	7,967,000	$	7,742,000

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(1)Represents amounts billed for contract manufacturing services.