INVENTORIES (Details Textuals)	12 Months Ended
Jul. 31, 2011
Inventory Related Text	Certain classes of sub-assembly inventory previously classified as raw materials are now being presented as work-in-process. The impact of the change was an increase in work-in-process with a corresponding decrease in raw materials in fiscal year 2010 of $27,696.

Additional information disclosed related to inventory.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 3
-Section A
-Paragraph 9
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766

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