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Note 15 - Federal Income Taxes (Detail) (USD $) | 12 Months Ended
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Jan. 31, 2013 | Jan. 31, 2012
Operating Loss Carryforwards |  | $ 12,700,000
Valuation Allowance, Deferred Tax Asset, Change in Amount | 718,000 | 1,137,000
Internal Revenue Service (IRS) [Member] |  |
Operating Loss Carryforwards |  | 12.6
State and Local Jurisdiction [Member] |  |
Operating Loss Carryforwards |  | $ 4.1

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- Definition The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 48 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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