Summary of Significant Accounting Policies - Engineering and Research and Development (Details Narrative) - USD ($)	12 Months Ended
Apr. 30, 2015	Apr. 30, 2014
Software development costs	$ (365,000)
XcelaSAN
Software development costs	$ 365,000

Total increases or decreases in capitalized computer software costs for period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

Name:	us-gaap_CapitalizedComputerSoftwarePeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration