Property and Equipment (Details Textual)	12 Months Ended
Jul. 31, 2013
Furniture and Fixtures [Member]
Property, Plant and Equipment, Estimated Useful Lives	seven years
Machinery and Equipment [Member]
Property, Plant and Equipment, Estimated Useful Lives	five years
Software [Member]
Property, Plant and Equipment, Estimated Useful Lives	five years
Leasehold Improvements [Member]
Property, Plant and Equipment, Estimated Useful Lives	the life of the current facility lease

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-URI http://asc.fasb.org/subtopic&trid=2155824

Name:	us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration