Description of Business (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Reserve for doubtful accounts	$ 366	$ 83
Write down inventory	1,749
Reserve for obsolescence and unmarketable inventory	826	$ 131
Idle facility expense, freight and handling costs	642	847
Loss on disposal of assets	2,900	$ 2,140
HITOX [Member]
Write down inventory	1,749
TOR Minerals Malaysia [Member]
Cumulative translation adjustment	1,479
TOR Processing and Trade, BV [Member]
Cumulative translation adjustment	$ 97