Note 8 - Investment in Ecuador Property (Tables)

9 Months Ended

Sep. 30, 2013

Investment Property Disclosure [Abstract]

Schedule of Income (Expense) From Investment Property [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(in thousands)
Distributions received from investment in Ecuador property	$	-		$	250		$	250		$	250
Amortization of investment in Ecuador property		(8	)		(47	)		(89	)		(141	)
Income (loss) from investment in Ecuador property, net	$	(8	)	$	203		$	161		$	109

Schedule of Investment Properties Held [Table Text Block]

	September 30, 2013		December 31, 2012
	(in thousands)
Investment in Ecuador property, net	$	543	$	632