Description of Business and Significant Accounting Policies (Tables)

3 Months Ended

Jan. 31, 2014

Accounting Policies [Abstract]

Reconciliation of the numerator and denominator used in computing basic and diluted net loss per share

	Three Months ended January 31, 2014
	Loss			Shares		Per share
	(numerator)			(denominator)		amount
Basic net loss per share – net loss and weighted average common shares outstanding	$	(846,786	)		2,104,662	$	(.40	)
Effect of dilutive securities – stock options		—			—		—
Effect of dilutive securities – warrants		—			—		—
Diluted net loss per share – net loss, weighted average common shares outstanding and effect of stock options and warrants	$	(846,786	)		2,104,662	$	(.40	)

	Three Months ended January 31, 2013
	Loss			Shares		Per share
	(numerator)			(denominator)		amount
Basic net loss per share – net loss and weighted average common shares outstanding	$	(781,663	)		1,782,925	$	(.44	)
Effect of dilutive securities – stock options		—			—		—
Effect of dilutive securities – warrants		—			—		—
Diluted net loss per share – net loss, weighted average common shares outstanding and effect of stock options and warrants	$	(781,663	)		1,782,925	$	(.44	)

	Nine Months ended January 31, 2014
	Loss			Shares		Per share
	(numerator)			(denominator)		amount
Basic net loss per share – net loss and weighted average common shares outstanding	$	(2,066,608	)		1,919,517	$	(1.08	)
Effect of dilutive securities – stock options		—			—		—
Effect of dilutive securities – warrants		—			—		—
Diluted net loss per share – net loss, weighted average common shares outstanding and effect of stock options and warrants	$	(2,066,608	)		1,919,517	$	(1.08	)

	Nine Months ended January 31, 2013
	Loss			Shares		Per share
	(numerator)			(denominator)		amount
Basic net loss per share – net loss and weighted average common shares outstanding	$	(3,005,137	)		1,784,898	$	(1.68	)
Effect of dilutive securities – stock options		—			—		—
Effect of dilutive securities – warrants		—			—		—
Diluted net loss per share – net loss, weighted average common shares outstanding and effect of stock options	$	(3,005,137	)		1,784,898	$	(1.68	)

Summary of option activity

	Shares			Weighted average exercise price		Weighted average remaining contractual life (1)		Aggregate intrinsic value
Balance April 30, 2013		311,575		$	12.40		5.02	$	—
Granted		—			—		—		—
Exercised		—			—		—		—
Expired		(32,164	)	$	14.37		—		—
Balance January 31, 2014		279,411		$	12.17		4.47		2,500
Exercisable January 31, 2014		254,411		$	13.13		4.01		—
Expected to vest January 31, 2014		265,000		$	12.17		4.47		2,500