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VAT Tax Issue in Brazil (Details)
9 Months Ended
Oct. 31, 2014
USD ($)
Oct. 31, 2014
BRL
Oct. 31, 2014
VAT Claims, One [Member]
USD ($)
Oct. 31, 2014
VAT Claims, One [Member]
BRL
Oct. 31, 2014
VAT Claims, Two [Member]
USD ($)
Oct. 31, 2014
VAT Claims, Two [Member]
BRL
Oct. 31, 2014
VAT Claims, Three [Member]
USD ($)
Oct. 31, 2014
VAT Claims, Three [Member]
BRL
Oct. 31, 2014
VAT Claims, Four [Member]
USD ($)
Oct. 31, 2014
VAT Claims, Four [Member]
BRL
Vat Tax Issue In Brazil [Line Items]                    
VAT Claims, Principal   7,491,261   305,897   573,457   6,209,836   402,071
VAT Claims, Interest And Penalty   9,013,464   491,271   1,098,475   6,653,585   770,133
VAT Claims, Total $ 7,279,000 16,504,725 $ 352,000 797,168 $ 737,000 1,671,932 $ 5,673,000 12,863,421 $ 517,000 1,172,204
VAT Claims, Loss Possibility     Remote Remote Remote Remote Probable Probable Remote Remote
VAT Claims, Strategy     To await Judicial Process and negotiate judicial deposit To await Judicial Process and negotiate judicial deposit To await Judicial Process and negotiate judicial deposit To await Judicial Process and negotiate judicial deposit To await Judicial Process and negotiate judicial deposit To await Judicial Process and negotiate judicial deposit To await Judicial Process and negotiate judicial deposit To await Judicial Process and negotiate judicial deposit
VAT Claims, Collateral     New Land New Land Plant Plant - - New Land New Land