Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Inventories [Abstract]

Schedule of inventory

	December 31,  2016			December 31,  2015
	(In thousands of  U.S. Dollars)
Raw materials	$	2,523		$	2,819
Work-in-progress		9,363			22,090
Finished goods		46,285			69,692
		58,171			94,601
Less: allowance for obsolete inventories		(8,541	)		(19,538	)
Total inventories	$	49,630		$	75,063