Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v2.4.0.8
Subsequent Events (Details) (USD $)
0 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended
Jun. 30, 2014
Jun. 18, 2014
Jun. 05, 2014
Sep. 27, 2013
Sep. 19, 2014
Subsequent Event
tranch
Sep. 25, 2014
Subsequent Event
Jul. 02, 2014
Subsequent Event
Sep. 19, 2014
Common Class A
Subsequent Event
Jun. 30, 2014
Cost-method Investee
Jun. 30, 2014
Trading credit facility
A-Mark
Line of credit
Sep. 12, 2014
Trading credit facility
A-Mark
Line of credit
Subsequent Event
Sep. 12, 2014
Sixth Participant
Line of credit
Subsequent Event
Subsequent Event [Line Items]                        
Agreement to purchase noncontrolling interest, percentage               9.00%        
Number of tranches         2              
Percentage of stock to be purchased for Tranche A               5.00%        
Payments to acquire Tranche A           $ 1,100,000            
Percentage of stock to be purchased for Tranche B               4.00%        
Payment for closing of Tranche A           2,000,000            
Payable on closing of Tranche B           900,000            
Minimum Sales to be Achieved         100,000,000.00              
Minimum gross profit in percentage to be achieved         2.00%              
Exclusive supplier agreement, period         3 years              
Revenue from related party                 152,300,000      
Purchases from related party                 114,200,000      
Receivable balance due                 2,100      
Line of credit, maximum borrowing capacity                   170,000,000 220,000,000.0 50,000,000.0
Credit facility, minimum required tangible net worth                   25,000,000 35,000,000.0  
Short term loan receivable $ 3,800,000 $ 2,600,000 $ 3,800,000 $ 12,800,000     $ 3,700,000