4. BALANCE SHEET COMPONENTS (Tables)

3 Months Ended

Jul. 31, 2014

Notes to Financial Statements

Other current assets

	July 31, 2014		April 30, 2014
R&D materials	$	164,334	$	177,406
Deferred cost of sales		52,500		-
	$	216,834	$	177,406

Property Plant and Equipment

	July 31, 2014			April 30, 2014
Laboratory equipment	$	683,632		$	683,632
Computer equipment and software		142,380			142,380
Office furniture and fixtures		130,192			130,192
		956,204			956,204
Less: Accumulated depreciation		(853,610	)		(831,830	)
	$	102,594		$	124,374

Accrued Liabilities

	July 31, 2014		April 30, 2014
Operating costs	$	374,934	$	76,632
Deferred revenue		129,945		124,521
Employee related		64,215		609,130
Restructuring liability		43,728		43,728
Convertible note interest payable		-		4,125
	$	612,822	$	858,136

Other liabilities

	July 31, 2014			April 30, 2014
Net non-cancelable operating lease obligation	$	43,728		$	54,660
Less: current portion		(43,728	)		(43,728	)
Long-term portion of net non-cancelable operating lease obligation	$	-		$	10,932