Acquisitions (Revenue and Earnings Proforma Estimation) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Business Acquisition [Line Items]
Actual from 9/14/2011 to 12/31/2011 - Earnings	$ (2,311,168)	$ 1,013,535
Southern Bullion Trading LLC [Member]
Business Acquisition [Line Items]
Actual from 9/14/2011 to 12/31/2011 - Revenue		12,857,102
Actual from 9/14/2011 to 12/31/2011 - Earnings		1,378,655
Fiscal 2011 combined entity proforma - Revenue		175,953,033
Fiscal 2011 combined entity proforma - Earnings		$ 3,808,139