Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Inventories [Abstract]

Schedule of inventories

	March 31,  2017			December 31,  2016
	(In thousands of  U.S. Dollars)
Raw materials	$	3,411		$	2,523
Work-in-progress		11,211			9,363
Finished goods		37,505			46,285
		52,127			58,171
Less: allowance for obsolete inventories		(11,780	)		(8,541	)
Total inventories	$	40,347		$	49,630