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Concentration of Credit Risks	12 Months Ended
	Dec. 31, 2011
Risks and Uncertainties [Abstract]
Concentration Risk Disclosure [Text Block]	9. CONCENTRATION OF CREDIT RISKS Concentration of credit risk with respect to accounts receivable is limited due to the large number of tenants comprising the Company's rental revenue. No single tenant accounted for 10% or more of total rental income for the year ended December 31, 2011 and 2010.

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- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

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