Accounts Receivable (Tables)

3 Months Ended

Jan. 31, 2014

Receivables [Abstract]

Accounts receivable

	January 31, 2014			April 30, 2013
Trade receivables	$	2,748,383		$	2,961,838
Other receivables		130,289			122,815
Allowance for doubtful accounts and sales returns		(220,000	)		(200,000	)
	$	2,658,672		$	2,884,653