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VAT Tax Issue in Brazil (Details) - 3 months ended Apr. 30, 2016 | USD ($) | BRL
--- | --- | ---
Vat Tax Issue In Brazil [Line Items] |  |  |
VAT Claims, Principal | $ 1,937,637 |  | BRL 7,363,022
Value Added Tax Claims Fines And Fees | 3,553,456 |  | 13,503,131
Value Added Tax Claims Value of Debt | 5,491,093 |  | 20,866,154
Value Added Tax Claims, Revised Fines and Fees | 624,386 |  | 2,372,666
Value Added Tax Claims Amount, Not Included in Amnesty Settlement | 355,704 |  | 1,351,676
Value Added Tax Claims Amount, Amnesty Settlement | 2,206,319 |  | 8,384,012
Value Added Tax Claims Legal Fees | 50,000 |  |
VAT Claims, Total | 2,256,319 |  |
VAT Claims, One [Member] |  |  |
Vat Tax Issue In Brazil [Line Items] |  |  |
VAT Claims, Principal | 80,499 | [1] | 305,897
Value Added Tax Claims Fines And Fees | 150,596 | [1] | 572,264
Value Added Tax Claims Value of Debt | 231,095 | [1] | 878,161
Value Added Tax Claims, Revised Fines and Fees | 24,435 | [1] | 92,853
Value Added Tax Claims Amount, Amnesty Settlement | 104,934 | [1] | 398,750
VAT Claims, Two [Member] |  |  |
Vat Tax Issue In Brazil [Line Items] |  |  |
VAT Claims, Principal | 150,910 | [1] | 573,457
Value Added Tax Claims Fines And Fees | 372,660 | [1] | 1,416,106
Value Added Tax Claims Value of Debt | 523,569 | [1] | 1,989,563
Value Added Tax Claims, Revised Fines and Fees | 62,182 | [1] | 236,290
Value Added Tax Claims Amount, Not Included in Amnesty Settlement | $ 213,091 | [1] | 809,747
Value Added Tax Claims Unsettled, Status | The new owner will continue litigation as it is expected to be decided in management favor |  |
VAT Claims, Three [Member] |  |  |
Vat Tax Issue In Brazil [Line Items] |  |  |
VAT Claims, Principal | $ 1,600,420 | [1] | 6,081,597
Value Added Tax Claims Fines And Fees | 2,799,519 | [1] | 10,638,172
Value Added Tax Claims Value of Debt | 4,399,939 | [1] | 16,719,769
Value Added Tax Claims, Revised Fines and Fees | 500,964 | [1] | 1,903,665
Value Added Tax Claims Amount, Amnesty Settlement | 2,101,385 | [1] | 7,985,262
VAT Claims, Four [Member] |  |  |
Vat Tax Issue In Brazil [Line Items] |  |  |
VAT Claims, Principal | 105,808 | [1] | 402,071
Value Added Tax Claims Fines And Fees | 230,681 | [1] | 876,589
Value Added Tax Claims Value of Debt | 336,489 | [1] | 1,278,660
Value Added Tax Claims, Revised Fines and Fees | 36,805 | [1] | 139,858
Value Added Tax Claims Amount, Not Included in Amnesty Settlement | $ 142,613 | [1] | BRL 541,929
Value Added Tax Claims Unsettled, Status | The new owner will continue litigation as it is expected to be decided in management favor |  |
[1] | USD amounts based on exchange rate of as of settlement on December 18, 2015 at 3.80.Values updated as of December 1, 2015, according to the Brazil internal finance department.Numbers may not add due to rounding.

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- Definition This element represents the aggregate amount of fines and fees for value added tax claims. + References No definition available. + Details
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- Definition This element represents the aggregate amount of legal fees for value added tax claims. + References No definition available. + Details
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