Note 8 - Real Estate Assets Held for Sale and Discontinued Operations (Detail) - Condensed Results of Operations of Real Estate Assets Held for Sale or Discontinued Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Operating revenues:
Rental income		$ 24	$ 14	$ 19
Tenant Reimbursements		5		(34)
Other income	4	2	8	155
Total operating revenues	4	31	22	140
Operating expenses:
Property operating, maintenance and real estate taxes	54	300	331	986
Depreciation and amortization		392		1,181
Total operating expenses	54	692	331	2,167
Net loss attributable to discontinued operations	(50)	(661)	(309)	(2,027)
Net gain from disposal of discontinued operations	5,191		18,699
Income (loss) from discontinued operations	$ 5,141	$ (661)	$ 18,390	$ (2,027)