12. SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

12 Months Ended

Apr. 30, 2013

Quarterly Financial Information Disclosure [Abstract]

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

12. SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

Selected quarterly financial information for each of the two most recent fiscal years is as follows:

	Quarter Ended
	April 30,			January 31,			October 31,			July 31,			April 30,			January 31,			October 31,			July 31,
	2013			2013			2012			2012			2012			2012			2011			2011
Net revenues	$	4,254,000		$	7,039,000		$	6,139,000		$	4,251,000		$	2,065,000		$	3,281,000		$	4,242,000		$	5,655,000
Gross profit (a)	$	959,000		$	3,310,000		$	2,358,000		$	2,111,000		$	1,053,000		$	719,000		$	436,000		$	2,422,000
Loss from operations...	$	(8,463,000	)	$	(5,161,000	)	$	(7,057,000	)	$	(7,671,000	)	$	(10,890,000	)	$	(11,093,000	)	$	(12,036,000	)	$	(8,051,000	)
Net loss (b)	$	(8,449,000	)	$	(4,914,000	)	$	(8,753,000	)	$	(7,664,000	)	$	(10,882,000	)	$	(11,090,000	)	$	(12,055,000	)	$	(8,092,000	)
Basic and diluted loss per common share	$	(0.06	)	$	(0.04	)	$	(0.08	)	$	(0.07	)	$	(0.10	)	$	(0.13	)	$	(0.16	)	$	(0.11	)

(a)	Gross profit represents contract manufacturing revenue less cost of contract manufacturing.
(b)	Net loss for the quarter ended October 31, 2012, included a loss on the early extinguishment of debt of $1,696,000 (Note 4).