Accounts Receivable

12 Months Ended

Apr. 30, 2012

Accounts Receivable

12. Accounts receivable:

The allowance for doubtful accounts continuity schedule is as follows:

	2012			2011
Balance, beginning of the year	$	(482	)	$	(11,314	)
Additional recovery (allowances)		(3,054	)		1,981
Net write-offs and collections		931			8,851
Balance, end of the year	$	(2,605	)	$	(482	)