Note 7 - Land Use Right and Patents (Tables)

6 Months Ended

Jun. 30, 2013

Land Use Right [Member]

Note 7 - Land Use Right and Patents (Tables) [Line Items]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

In thousands of dollars
	June 30, 2013			December 31, 2012
Land use right	$	22,549		$	13,670
Less accumulated amortization		(215	)		(45	)
Total land use right, net	$	22,334		$	13,625

Patents [Member]

Note 7 - Land Use Right and Patents (Tables) [Line Items]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

In thousands of dollars
	June 30, 2013			December 31, 2012
Patents and patent applications	$	1,366		$	1,366
Less accumulated amortization		(1,130	)		(1,092	)
Total patents and patent applications	$	236		$	274