Segment Information (Details Narrative) - N	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Percentage of total third party sales revenue	100.00%	100.00%
Percentage of sales to external customers	59.00%	58.00%
Percentage of employees in-house collective bargaining agreement	12.00%	20.00%
HITOX [Member]
Segment Reporting Information [Line Items]
Percentage of total third party sales revenue	28.00%	28.00%
ALUPREM [Member]
Segment Reporting Information [Line Items]
Percentage of total third party sales revenue	36.00%	39.00%
Asian Operation [Member]
Segment Reporting Information [Line Items]
Percentage of total third party sales revenue	23.00%	22.00%
Number of customer	3	1
Percentage of sales to external customers	34.00%	25.00%
Asian (TMM) [Member]
Segment Reporting Information [Line Items]
Percentage of total third party sales revenue	8.00%	10.00%
European operations [Member]
Segment Reporting Information [Line Items]
Percentage of total third party sales revenue	68.00%	61.00%
Germany [Member]
Segment Reporting Information [Line Items]
Percentage of total third party sales revenue	23.00%	25.00%
United States [Member]
Segment Reporting Information [Line Items]
Percentage of total third party sales revenue	69.00%	68.00%
Number of customer	1	1
Percentage of sales to external customers	25.00%	34.00%
European [Member]
Segment Reporting Information [Line Items]
Percentage of total third party sales revenue	33.00%	44.00%
Number of customer	2	2
Percentage of sales to external customers	28.00%	33.00%