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Income Taxs (Details Textual) | 6 Months Ended |  | 6 Months Ended
--- | --- | --- | ---
Jul. 31, 2013 USD ($) | Jan. 31, 2013 USD ($) | Jul. 31, 2013 Qingdao plant member [Member] USD ($) | Jul. 31, 2013 Canadian operations member [Member] USD ($) | Jul. 31, 2013 China Tax Authority [Member] USD ($) | Jul. 31, 2013 China Tax Authority [Member] CNY | Jul. 31, 2013 Argentina Subsidiary [Member] China Tax Authority [Member] USD ($)
Deferred Tax Assets, Goodwill and Intangible Assets Net | $ 0 |  |  |  |  |  |
Deferred Tax Liability Maximum Additional Tax Liability |  |  |  |  | 16,000 | 100,000 |
Investment In Subsidiary For Tax Avoidance |  |  |  |  |  |  | 500,000
Unusual or Infrequent, Tax Effect |  |  | 422,321 | 100,000 |  |  |
Deferred Tax Assets Reversal Of Valuation Allowance | 4,544,431 |  |  |  |  |  |
Deferred Tax Assets, Valuation Allowance | $ 0 | $ 4,500,000 |  |  |  |  |

X
- Definition Amount net of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill. + References No definition available. + Details
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- Definition This element represent , the amount of deferred tax asset valuation allowance of reversal. + References No definition available. + Details
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- Definition Amount of maximum additional tax liability under deferred tax liability. + References No definition available. + Details
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- Definition Amount of investment in subsidiary for tax avoidance. + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition The tax effect of gains or losses resulting from material events or transactions (that would not reasonably be expected to recur in the foreseeable future) that possesses a high degree of abnormality and are clearly unrelated to, or incidentally related to, the ordinary and typical activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15138-107781 + Details
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