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Note 15 - Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

		September 30, 2016								December 31, 2015
Description		Carrying Value				Fair Value (Level 2)				Carrying Value				Fair Value (Level 2)
Investment in Marketable Securities		$	4,454,219			$	4,454,219*			$	5,001,722			$	5,001,722

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

						Fair Value Measurements Using
Description		Balance				(Level 1)				(Level 2)				(Level 3)
Real estate assets		$	28,910,000			$	—			$	—			$	28,910,000

Real Estate, Roll Forward [Table Text Block]

Real estate assets at December 31, 2015		$	46,950,000
Real estate sold during the nine-months ended September 30, 2016			(18,261,000	)
Change in value of real estate assets			221,000		(a)
Real estate assets at September 30, 2016		$	28,910,000

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