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Note 2 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 31, 2013
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
Fiscal Year |  | Balance at the Beginning of Year |  |  | Charged to Expense |  |  | Deductions |  |  | Balance at the End of Year |
2012 |  | $ | 40,997 |  |  | $ | 790 |  |  | $ | (3,628 | ) |  | $ | 38,159 |
2013 |  | $ | 38,159 |  |  | $ | 3,831 |  |  | $ | (7,575 | ) |  | $ | 34,415 |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] |
|  | Restricted Shares |
|  | Shares |  |  | Weighted-Average Grant Date Fair Value |
Balance of unvested awards at January 31, 2011 |  |  | — |  |  | $ | — |
Granted |  |  | 36,000 |  |  | $ | 1.44 |
Vested |  |  | (36,000 | ) |  | $ | 1.44 |
Forfeited |  |  | — |  |  |  | — |
Balance of unvested awards at January 31, 2012 |  |  | — |  |  | $ | — |
Granted |  |  | 18,000 |  |  | $ | 2.20 |
Vested |  |  | (18,000 | ) |  | $ | 2.20 |
Forfeited |  |  | — |  |  |  | — |
Balance of unvested awards at January 31, 2013 |  |  | — |  |  |  | — |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + 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 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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