VAT Tax Issue in Brazil (Details)	3 Months Ended
	Apr. 30, 2014 USD ($)		Apr. 30, 2014 BRL		Apr. 30, 2014 VAT Claims, One [Member] USD ($)	Apr. 30, 2014 VAT Claims, One [Member] BRL	Apr. 30, 2014 VAT Claims, Two [Member] USD ($)	Apr. 30, 2014 VAT Claims, Two [Member] BRL	Apr. 30, 2014 VAT Claims, Three [Member] USD ($)	Apr. 30, 2014 VAT Claims, Three [Member] BRL	Apr. 30, 2014 VAT Claims, Four [Member] USD ($)	Apr. 30, 2014 VAT Claims, Four [Member] BRL	Apr. 30, 2014 VAT Claims, Five [Member] USD ($)		Apr. 30, 2014 VAT Claims, Five [Member] BRL		Apr. 30, 2014 VAT Claims, Five [Member] After State Amnesty Accepted [Member] USD ($)	Apr. 30, 2014 VAT Claims, Five [Member] After State Amnesty Accepted [Member] BRL
Vat Tax Issue In Brazil [Line Items]
VAT Claims, Principal			7,776,270			305,897		573,457		6,209,836		402,071			285,009			285,009
VAT Claims, Interest And Penalty			9,262,605			491,272		1,098,475		6,653,586		770,133			249,140			15,626
VAT Claims, Total	$ 7,745,000		17,038,875		$ 362,000	797,168	$ 760,000	1,671,932	$ 5,847,000	12,863,422	$ 533,000	1,172,204	$ 243,000		534,149		$ 152,000	334,835
VAT Claims, Loss Possibility					Remote	Remote	Remote	Remote	Probable	Probable	Remote	Remote	Loss Agreed		Loss Agreed
VAT Claims, Strategy	After State Amnesty Accepted	[1]	After State Amnesty Accepted	[1]	To wait Judicial Process	To wait Judicial Process	To wait Judicial Process	To wait Judicial Process	To wait Judicial Process and offer Judicial Deposit (approx. 3% net sales)	To wait Judicial Process and offer Judicial Deposit (approx. 3% net sales)	To wait Judicial Process	To wait Judicial Process	Accept State Amnesty (8 installments, approx. BRL 42K)	[1]	Accept State Amnesty (8 installments, approx. BRL 42K)	[1]	8 Installments representing accepted amnesty per above	8 Installments representing accepted amnesty per above
VAT Claims, Collateral					New Land	New Land	Plant	Plant	-	-	New Land	New Land	-		-

[1] Numbers may not add due to rounding