Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.5.0.2
Subsequent Events (Details) - Subsequent Event
Sep. 07, 2016
$ / shares
Aug. 31, 2016
USD ($)
Sep. 22, 2016
ft²
$ / ft²
Subsequent Event [Line Items]      
Dividend declared (usd per share) | $ / shares $ 0.07    
SilverTowne Mint      
Subsequent Event [Line Items]      
Percentage of interests acquired (percentage)   55.00%  
Total investment   $ 4,200,000  
Assets acquired   3,670,000  
PPE acquired   250,000  
Working capital acquired   300,000  
Payment towards the acquisition   3,700,000  
Liabilities incurred for the acquisition   500,000  
Contingent liability   $ 1,000,000  
El Segundo, California      
Subsequent Event [Line Items]      
Area under lease | ft²     9,000
Rent expense (usd per sqft) | $ / ft²     3.60
Annual increase (percentage)     3.00%