Quarterly report pursuant to Section 13 or 15(d)

Receivables (Details)

v3.8.0.1
Receivables (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 31, 2017
Jun. 30, 2017
Dec. 31, 2017
Jun. 30, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     $ 39,448 $ 39,325
Less: allowance for doubtful accounts $ (30) $ (30) (30) (30)
Receivables, net     39,418 39,295
Allowance for Doubtful Accounts Receivable [Roll Forward]        
Beginning Balance 30 30    
Provision 0 0    
Charge-off 0 0    
Ending Balance $ 30 $ 30    
Customer trade receivables        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     15,638 31,949
Wholesale trade advances        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     13,445 2,457
Due from brokers        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     10,365 $ 4,919
Goldline, LLC | Customer trade receivables        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Receivables, gross     $ 500