Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories at March 31, 2015 and December 31, 2014 consist of: 

	March 31, 2015		December 31, 2014
	(Unaudited)		(Audited)
	(amounts in thousands)
Raw materials	$	2,957	$	2,299
Work in progress		53		140
Finished goods		712		345
Total	$	3,722	$	2,784