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Non-vested Share Activity (Detail) (USD $)	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items]
Beginning Balance, Shares	1,835,185	0
Granted, Shares	0	5,750,000
Vested / lapsed, Shares	(822,222)	(3,914,815)
Forfeited, Shares	0	0
Ending Balance, Shares	1,012,963	1,835,185
Beginning Balance, Fair Value	$ 0.30	$ 0
Granted, Fair Value	$ 0	$ 0.30
Vested / lapsed, Fair Value	$ 0.21	$ 0.30
Forfeited, Fair Value	$ 0	$ 0
Ending Balance, Fair Value	$ 0.41	$ 0.30

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Number of non-vested options outstanding.

+ References

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- Definition

Number of non-vested options forfeited.

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

+ References

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

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- Definition

Number of options vested.

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- Definition

Weighted average grant-date fair value of options vested.

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