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OPERATING EXPENSES - OTHER:	12 Months Ended
OPERATING EXPENSES - OTHER:	Apr. 30, 2013
Restructuring and Related Activities [Abstract]
Restructuring, Impairment, and Other Activities Disclosure [Text Block]	(15) OPERATING EXPENSES - OTHER: Operating expenses – other in the accompanying 2012 and 2011 financial statements includes credits and charges to operations for (i) a project in which the Company consolidated its Subscription Fulfillment Services business operations from three locations in Colorado, Florida and Illinois into one existing location at Palm Coast, Florida, and (ii) a warehouse leased by a Kable subsidiary in Oregon, Illinois and its contents which were totally destroyed by fire in December 2007. The Company recorded a credit of $73,000 in 2012 as a result of the sale of a building resulting from the consolidation project and net charges of $516,000 in 2011 related to consolidation project and fire recovery costs. There were no items of income or expense related to the consolidation project or the warehouse fire during 2013.