Inventories (Tables)

9 Months Ended

Sep. 30, 2016

Inventories [Abstract]

Schedule of inventory

	September 30,  2016			December 31,  2015
	(In thousands of U.S. Dollars)
Raw materials	$	1,930		$	2,819
Work-in-progress		14,367			22,090
Finished goods		50,845			69,692
		67,142			94,601
Less: allowance for obsolete inventories		(20,019	)		(19,538	)
Total inventories	$	47,123		$	75,063