Commitments and Contingencies (Details Narrative) (USD $)	12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2012
Rental expense	$ 419,000	$ 512,000	$ 516,000
Open purchase orders outstanding	1,758,000
Royalties charged to operations	$ 60,000	$ 92,000	$ 94,000
Legal Proceedings
Location of legal proceeding	United States District Court for the Eastern District of Pennsylvania
Ruling description	On July 30, 2013, the District Judge ruled that the Company is required to restore the property to the condition that existed as of January 11, 2006, without making any factual findings on the extent of the Company’s liability.
Settlement agreement terms	The Company has agreed in principle, to settle this matter, which will require three (3) payments of $75,000 to be remitted to the landlord (i) on the signing of the Settlement Agreement; (ii) within forty five (45) days of the Settlement Agreement; and (iii) within ninety (90) days of the Settlement Agreement. The Company also agreed to relinquish its right to the $52,000 security deposit in the possession of the landlord.
Settlement agreement date	on or before August 15, 2014