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Summary of Warrants Activity for Investor (Detail) (Warrant, USD $) | 1 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2009 | Jun. 30, 2012 Year
Warrant |  |
Number of shares |  |
Outstanding, beginning balance |  | 50,000
Exercisable, beginning balance |  | 50,000
Granted | 200,000 |
Exercised |  |
Forfeited |  |
Outstanding, ending balance |  | 50,000
Exercisable, ending balance |  | 50,000
Average Exercise Price per Share |  |
Outstanding, beginning balance |  | $ 1.50
Exercisable, beginning balance |  | $ 1.50
Granted |  |
Exercised | $ 1.50 |
Forfeited |  |
Outstanding, ending balance |  | $ 1.50
Exercisable, ending balance |  | $ 1.50
Weighed Average Remaining Contractual Term in years |  |
Outstanding, beginning balance |  | 2.75
Exercisable, beginning balance |  | 2.75
Outstanding, ending balance |  | 2.25
Exercisable, ending balance |  | 2.25

X
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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 (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(e) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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 (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(c) -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. + Details
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