Accounts Receivable (Tables)

3 Months Ended

Oct. 31, 2013

Receivables [Abstract]

Accounts receivable

	October 31, 2013			April 30, 2013
Trade receivables	$	3,000,580		$	2,961,838
Other receivables		233,452			122,815
Allowance for doubtful accounts and sales returns		(220,000	)		(200,000	)
	$	3,014,032		$	2,884,653