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Note 10 - Mortgage Notes Payable (Detail) - Mortgage Notes Payable (Parentheticals) (USD $) |  | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 31, 2012 | Aug. 24, 2012 Secured by Yuma Property [Member] | Jan. 31, 2013 Secured by Yuma Property [Member] | Jan. 31, 2013 Secured by Tucson Foothills Property [Member] | Jan. 31, 2012 Secured by Tucson Foothills Property [Member] | Jan. 31, 2012 Secured by Ontario Property [Member] | May 11, 2011 Secured by Ontario Property [Member] | Jan. 31, 2013 Secured by Ontario Property [Member] | Jan. 31, 2012 Secured by Ontario Property [Member] | Feb. 14, 2012 Secured by Ontario Property [Member] | Jan. 31, 2011 Secured by Ontario Property [Member] | Jan. 31, 2013 Secured by Albuquerque Property [Member] | Jan. 31, 2012 Secured by Albuquerque Property [Member] | Jan. 31, 2013 Secured by Tucson St.Mary's Property [Member] | Jan. 31, 2012 First Mortgage Note Secured by Yuma Property, Satisfied in Full in 2013 [Member] | Jan. 31, 2013 Second Mortgage Note Secured by Yuma Property, Satisfied in Full in 2013 [Member] | Jan. 31, 2012 Second Mortgage Note Secured by Yuma Property, Satisfied in Full in 2013 [Member]
Mortgage note payable, monthly payments (in Dollars) |  | $ 32,419 | $ 32,419 | $ 48,738 | $ 48,738 | $ 31,700 | $ 71,100 | $ 31,701 | $ 31,701 |  |  | $ 16,032 | $ 16,032 | $ 29,776 | $ 23,333 | $ 6,667 | $ 6,667
Mortgage note payable, interest rate |  | 5.00% | 5.00% | 8.00% | 8.00% | 5.00% |  | 5.00% | 5.00% | 5.00% | 8.28% | 7.75% | 7.75% | 3.25% | 7.00% |  | 8.00%
Mortgage note payable, balloon payment (in Dollars) | 4,023,333 |  | 4,112,498 |  |  | 5,630,315 |  | 5,630,315 | 5,630,315 |  |  |  |  | 4,874,618 |  |  | 1,006,667
Mortgage note payable, carrying value of secured property (in Dollars) |  |  | $ 5,500,000 | $ 4,200,000 |  |  |  | $ 5,900,000 |  |  |  | $ 1,300,000 |  | $ 7,800,000 |  |  |

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- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of the required periodic payments including both interest and principal payments. + 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 210.5-02.22) -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 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition The required large, lump sum payment amount on final maturity date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29.5) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=6882300&loc=d3e5864-122674 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 29 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule IV -Article 5 + Details
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- Definition The fair value, as of the date of each statement of financial position presented, of real estate which is owned but transferred to serve as collateral for the payment of the related debt obligation, and that is reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge it. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 15 -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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