Note 8 - Disposal of Operating Properties (Details) - Relevant Financial Information Attributable To Each Sold Property (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Relevant Financial Information Attributable To Each Sold Property [Abstract]
Operating income excluding depreciation and amortization	$ 325	$ 478
Depreciation and amortization	(181)	(217)
Interest expense	(165)	(190)
Total pretax income	$ (21)	$ 71