Derivative Financial Instruments and Risk Management (Tables)

6 Months Ended

12 Months Ended

Oct. 31, 2013

Apr. 30, 2013

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

		Carrying					Fair Value
As at October 31, 2013		Amount			Fair Value		Levels	Reference
Cash	$	9,423,773		$	9,423,773		1
Accounts receivable		3,585,191			3,585,191		2
Forward contracts		(9,814	)		(9,814	)	3
Derivative warrant liability	$	-		$	-		3	Note 5

		Carrying			Fair Value
As at April 30, 2013		Amount		Fair Value	Levels	Reference
Cash	$	11,229,595	$	11,229,595	1
Accounts receivable		4,640,620		4,640,620	2
Forward contracts		9,830		9,830	3
Derivative warrant liability	$	93,057	$	93,057	3	Note 5

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

Forward contracts		October 31,			April 30,
		2013			2013
Opening balance at the beginning of the period/year	$	9,830		$	-
Fair value of forward, at issuance		-			-
Change in fair value of forward contracts since issuance		(18,479	)		32,405
Fair value of forward contracts settled during the period/year		(1,165	)		(22,575	)
Fair value of forward contracts at end of period/year	$	(9,814	)	$	9,830