6. Patent and Patent Applications (Detail) (USD $)	6 Months Ended	12 Months Ended
Jan. 31, 2013	Jul. 31, 2010 Patents [Member]
Stock Issued During Period, Shares, Purchase of Assets		20,333,000
Finite-Lived Patents, Gross (in Dollars)		$ 20,333
Finite-Lived Intangible Asset, Useful Life	20 years	20 years

Gross carrying amount before accumulated amortization as of the balance sheet date of the costs pertaining to the exclusive legal rights granted to the owner of the patent to exploit an invention or a process for a period of time specified by law. Such costs may have been expended to directly apply and receive patent rights, or to acquire such rights.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

Name:	us-gaap_FiniteLivedPatentsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant