12. Business Segments (Details 1) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues	$ 2,558,356	$ 2,655,123	$ 8,479,408	$ 9,206,978
Gross profit	116,494	137,626	52,448	547,275
Antimony [Member]
Revenues	1,973,620	1,974,535	6,581,460	6,678,725
Gross profit	(60,385)	156,059	(255,637)	421,037
Precious Metals [Member]
Revenues	83,232	144,082	304,052	525,707
Zeolite [Member]
Revenues	501,504		1,593,896	2,002,546
Gross profit	176,879		308,085	126,238
Zeloite (Member)
Revenues		536,506
Gross profit		$ (18,433)