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Note 4 - Related Party Transactions (Detail) (USD $)	3 Months Ended	6 Months Ended
	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Number of Class B Limited Partnership Units Held by Related Party (in Shares)		3,407,938
Number of Shares of Beneficial Interest Held by Related Party (in Shares)		5,573,624
	$ 525,473	$ 0	$ 1,116,081
Rare Earth [Member]
Debt Instrument, Interest Rate, Stated Percentage		7.00%
Notes Payable, Related Parties		$ 244,573

X

- Definition

Number of Class B limited partnership units held by a related party.

+ References

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X

- Definition

Number of shares of beneficial interest held by related party.

+ References

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X

- Definition

Repayment received or receivable from a related party for expenses incurred on behalf of the related party, other than those reimbursements received by landlords from tenants.

+ References

No definition available.

+ Details

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X

- 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

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- Definition

The amount for notes payable (written promise to pay), due to related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 57

-Paragraph 2

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(k)(1))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 850

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-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864



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-Name Regulation S-X (SX)

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