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Note 12 - Lease Commitments (Details Textual) |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 29, 2016 USD ($) ft² | Aug. 16, 2013 USD ($) | Feb. 07, 2013 ft² | Jul. 31, 2016 USD ($) | Jul. 31, 2015 USD ($) | Mar. 31, 2016 USD ($) | Mar. 31, 2015 USD ($)
Citibank, N.A. (The "Sublandlord") [Member] |  |  |  |  |  |  |
Operating Lease Future Minimum Sublease Rental |  |  |  |  |  | $ 122,355 | $ 122,355
Area of Land for Lease | ft² |  |  | 44,493 |  |  |  |
Operating Leases, Income Statement, Sublease Revenue |  | $ 1,468,269 |  |  |  |  |
Security Deposit |  | $ 489,423 |  |  |  |  |
Seagis Property Group LP (the "Landlord") [Member] | Value Line Distribution Center ("VLDC") [Member] |  |  |  |  |  |  |
Area of Land for Lease | ft² | 24,110 |  |  |  |  |  |
Operating Leases, Income Statement, Sublease Revenue | $ 192,880 |  |  |  |  |  |
Security Deposit | 32,146 |  |  |  |  |  |
Base Rent Increase Amount | $ 237,218 |  |  |  |  |  |
Operating Leases, Rent Expense |  |  |  | $ 365,000 | $ 317,000 |  |

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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- 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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- 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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