GOLD AND SILVER BULLION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Gold	Sep. 30, 2013 Gold	Dec. 31, 2012 Gold oz	Jun. 30, 2013 Gold	Sep. 30, 2013 Silver	Sep. 30, 2013 Silver	Dec. 31, 2012 Silver oz	Jun. 30, 2013 Silver
GOLD AND SILVER BULLION
Number of ounces								793				24,969
Average cost per ounce (in dollars per ounce)								1,278.63	1,278.63			27.08	27.08
Total cost					$ 1,690			$ 1,014				$ 676
Fair value per ounce (in dollars per ounce)								1,657.50				29.95
Total fair value								1,314				748
Changes in the Company's holdings of gold and silver
Opening Balance			1,690	22,810	22,810		1,014	7,232			676	15,578
Proceeds from sale			(1,467)		(23,836)		(988)	(7,982)			(479)	(15,854)
(Loss) gain on sale	51	1,233	(223)	3,075	3,075		(26)	1,764			(197)	1,311
Unrealized loss				(359)	(359)							(359)
Ending Balance					$ 1,690			$ 1,014				$ 676
Selling price per ounce (in dollars per ounce)						1,245.70				19.18