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Derivative INSTRUMENTS AND FOREIGN CURRENCY EXPOSURE (Tables) | 12 Months Ended
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Jan. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] |
Derivatives not designated as hedging instruments Foreign Exchange Forward Contracts
|  | Three Months Ended |  |  | Years Ended |
|  | January 31, |  |  | January 31, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Notional Value in USD |  | $ | 5,526,710 |  |  | $ | 2779,785 |  |  | $ | 42,027,715 |  |  | $ | 12,730,191 |
Loss reported in current operating expenses |  | $ | (171,956 | ) |  | $ | (99,183 | ) |  | $ | (432,989 | ) |  | $ | (230,110 | )
Derivatives designated as hedging instruments
|  | As of January 31, 2013 |  |  | As of January 31, 2012 |
Notional value in USD |  | $ | 6,944,040 |  |  | $ | 6,904,150 |
Gain and loss reported in equity as accumulated Other Comprehensive Income |  | $ | 38,513 |  |  | $ | 123,313 |
Effect of derivative on Income Statement from Foreign currency cash flow hedge |  |  |  |  |  |  |  |
Gain (loss) reclassed from Other Comprehensive Income into current earning during: |  |  |  |  |  |  |  |
|  | Three Months Ended |  |  | Years Ended |
|  | January 31, |  |  | January 31, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Reported in operating income (loss) |  | $ | (8,618 | ) |  | $ | 75,882 |  |  | $ | 24,374 |  |  | $ | 106,125 |

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- Definition Tabular disclosure of the notional amounts of outstanding derivative positions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 + Details
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