12. Business Segments (Details2) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues	$ 2,954,677	$ 3,498,301	$ 5,921,452	$ 6,551,855
Gross profit	(1,912)	288,920	(64,046)	409,649
Antimony [Member]
Revenues	2,303,012	2,525,097	4,608,241	4,699,906
Gross profit	(53,190)	191,146	(195,251)	264,978
Precious Metals [Member]
Revenues	108,825	205,771	220,820	385,909
Zeolite [Member]
Revenues	542,840		1,092,391	1,466,040
Gross profit	51,278		131,205	144,671
Zeloite (Member)
Revenues		767,433
Gross profit		$ 97,774