Mining Properties (DetailsTextual)	1 Months Ended	3 Months Ended	9 Months Ended	1 Months Ended
	Mar. 31, 2006 Ounce	Dec. 31, 2008 Ounce oz	Sep. 30, 2011 Year Claim mi oz LegalMatter	Apr. 30, 2002 Martha [Member]	May 23, 2005 Endeavor [Member] Ounce
Mining Properties (Textual) [Abstract]
Distance of Lynn Canal from mines			45
Cumulative ounces of silver received by CDE Australia		3,500,000
Current ore reserve payable ounces based on current metallurgical recovery and current smelter contract terms		4,200,000
Silver production and reserves payable ounces	20,000,000
Property, Plant and Equipment (Textual) [Abstract]
Acquisition of interest in mine				100.00%
Quantity of acquired silver production and reserves					17,700,000