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Lease Commitments (Detail Textuals) (USD $) | 0 Months Ended | 1 Months Ended | 9 Months Ended | 0 Months Ended
--- | --- | --- | --- | ---
Jun. 04, 1993 | Apr. 30, 2007 | Jan. 31, 2014 | Jan. 31, 2013 | Feb. 07, 2013 Citibank, N.A. (the "Sublandlord") sqft
Operating Leased Assets [Line Items] |  |  |  |  |
Term of lease | 15 years |  |  |  |
Extended term of lease |  | 5 years |  |  |
Area of land for lease |  |  |  |  | 44,493
Base rent under the sublease agreement per annum |  |  |  |  | $ 1,468,269
Security deposit in cash |  |  |  |  | 489,423
Rental expenses |  |  | 1,896,000 | 1,882,000 |
Additional short term overlapping rent expense |  |  | $ 771,000 |  |

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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X
- Definition Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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- Definition The amount of revenue recognized for the period under subleasing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6584307&loc=d3e41620-112719 + Details
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X
- Definition The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Represents the amount of additional short term overlapping rent expense during the period. + References No definition available. + Details
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- Definition Represents area of land for lease. + References No definition available. + Details
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