4. TRADE AND OTHER RECEIVABLES (Tables)

9 Months Ended

Jan. 31, 2013

Trade And Other Receivables Tables

TRADE AND OTHER RECEIVABLES

	January 31, 2013		April 30, 2012
Trade receivables(1)	$	1,964,000	$	2,264,000
Other receivables, net		19,000		89,000
Trade and other receivables, net	$	1,983,000	$	2,353,000