ACCOUNTS PAYABLE AND ACCRUED EXPENSES: (Details Textual) (USD $)	12 Months Ended
	Apr. 30, 2013	Apr. 30, 2013 Media Services, Newsstand Distribution Services, Net Of Estimated Returns [Member]	Apr. 30, 2012 Media Services, Newsstand Distribution Services, Net Of Estimated Returns [Member]	Apr. 30, 2013 Media Services, Subscription Fulfillment Services [Member]
Estimated Magazine Purchase Returns		$ 72,275,000	$ 66,384,000
Negative Working Capital		$ 19,086,000		$ 25,752,000
Customer Contract Expiry Date	June 2014