VAT Tax Issue in Brazil (Details)	9 Months Ended
	Oct. 31, 2013 USD ($)	Oct. 31, 2013 BRL	Oct. 31, 2013 VAT Claims, One [Member] USD ($)	Oct. 31, 2013 VAT Claims, One [Member] BRL	Oct. 31, 2013 VAT Claims, Two [Member] USD ($)	Oct. 31, 2013 VAT Claims, Two [Member] BRL	Oct. 31, 2013 VAT Claims, Three [Member] USD ($)	Oct. 31, 2013 VAT Claims, Three [Member] BRL	Oct. 31, 2013 VAT Claims, Four [Member] USD ($)	Oct. 31, 2013 VAT Claims, Four [Member] BRL	Oct. 31, 2013 VAT Claims, Five [Member] USD ($)	Oct. 31, 2013 VAT Claims, Five [Member] BRL	Oct. 31, 2013 VAT Claims, Five [Member] After State Amnesty Accepted [Member] USD ($)	Oct. 31, 2013 VAT Claims, Five [Member] After State Amnesty Accepted [Member] BRL
VAT Claims, Principal		7,776,270		305,897		573,457		6,209,836		402,071		285,009		285,009
VAT Claims, Interest		4,814,038		310,182		754,401		3,142,429		528,891		78,135		15,626
VAT Claims, Penalty		4,448,567		181,089		344,074		3,511,156		241,242		171,005		34,200
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	*After State Amnesty Accepted	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)	*Accept State Amnesty (8 installments, approx. BRL 42K)	8 Installments	8 Installments
VAT Claims, Collateral			New Land	New Land	Plant	Plant	-	-	New Land	New Land	-	-