Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories were as follows:

(U.S. Dollars, in thousands)	March 31, 2014		December 31, 2013
	(Restated)		(Restated)
Raw materials	$	5,220	$	6,515
Work-in-process		7,412		6,606
Finished products		51,190		51,991
Deferred cost of sales		6,855		7,566
Total Inventory	$	70,677	$	72,678