Concentrations (Tables)

3 Months Ended

Mar. 31, 2012

Concentrations

Summary of percent of revenue, by product, accounting for more than 10% of sales

	March 31, 2012			March 31, 2011
Lanthanum products		46	%		44	%
Cerium products		1	%		34	%
Didymium, Neodymium and Praseodymium products		53	%		18	%