Income Taxs (Details Textual)	9 Months Ended		9 Months Ended
	Oct. 31, 2013 USD ($)	Jan. 31, 2013 USD ($)	Oct. 31, 2013 Qingdao plant member [Member] USD ($)	Oct. 31, 2013 Canadian operations member [Member] USD ($)	Oct. 31, 2013 China Tax Authority [Member] USD ($)	Oct. 31, 2013 China Tax Authority [Member] CNY	Oct. 31, 2013 Brazil [Member] USD ($)	Oct. 31, 2013 Brazil [Member] BRL	Oct. 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
Income Tax Examination, Penalties and Interest Expense, Total							1,000,000	2,265,728
Income Tax Examination, Tax Expense							127,000	280,416
Amount Of Valuation Allowance Reversal Included In Net Income	$ 4,500,000