Note 8 - Investment in Ecuador Property (Tables)

6 Months Ended

Jun. 30, 2013

Investment Property Disclosure [Abstract]

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
	(in thousands)
Distributions received from investment in Ecuador property	$	250		$	-		$	250		$	-
Amortization of investment in Ecuador property		(34	)		(47	)		(81	)		(94	)
Income (loss) from investment in Ecuador property, net	$	216		$	(47	)	$	169		$	(94	)

Schedule of Investment Properties Held [Table Text Block]

	June 30, 2013		December 31, 2012
	(in thousands)
Investment in Ecuador property, net	$	551	$	632