Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.8.0.1
Related Party Transactions (Details) - USD ($)
 3 Months Ended 9 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Mar. 01, 2018
Sep. 19, 2017
Jun. 30, 2017
Aug. 31, 2016
Related Party Transaction [Line Items]                
Receivable $ 9,825,000   $ 9,825,000       $ 0  
Payables 8,294,000   8,294,000       2,353,000  
Note payable - related party 0   0       500,000  
Unamortized loan funding fee 54,000   54,000       72,000  
Other long-term liabilities (related party) 1,049,000   1,049,000       1,117,000  
Sales 116,166,000 $ 147,920,000 330,233,000 $ 454,942,000        
Purchases 214,588,000 16,315,000 225,536,000 43,205,000        
Income (loss) from equity method investment 99,000 (6,000) 278,000 73,000        
Equity method investment 7,745,000   7,745,000       7,467,000  
March1, 2018 Loan Agreement                
Related Party Transaction [Line Items]                
Lease and Finance Receivable, Line of Credit, Maximum Available         $ 10,000,000      
Participation interest, percentage of net profits realized on sale         10.00%      
Former Parent                
Related Party Transaction [Line Items]                
Receivable 9,825,000   9,825,000       0  
Payables 0   0       27,000  
Sales 12,189,000 16,410,000 24,686,000 38,077,000        
Purchases 211,120,000 15,105,000 214,661,000 38,441,000        
Former Parent | March1, 2018 Loan Agreement                
Related Party Transaction [Line Items]                
Short term loan receivable 6,300,000   6,300,000       0  
Former Parent | September 19, 2017 Loan Agreement                
Related Party Transaction [Line Items]                
Lease and Finance Receivable, Line of Credit, Maximum Available           $ 5,300,000    
Short term loan receivable 3,000,000   3,000,000          
Equity method investee                
Related Party Transaction [Line Items]                
Receivable 0   0       0  
Payables 239,000   239,000       558,000  
Sales 98,876,000 126,354,000 293,163,000 392,890,000        
Purchases 2,769,000 0 3,797,000 812,000        
SilverTowne                
Related Party Transaction [Line Items]                
Receivable 0   0       0  
Payables 185,000   185,000       1,768,000  
Accounts receivable 400,000   400,000          
Accrued liabilities 600,000   600,000          
Sales 5,101,000 5,156,000 12,384,000 23,975,000        
Purchases 699,000 1,210,000 7,078,000 3,952,000        
Affiliated entities                
Related Party Transaction [Line Items]                
Interest income 1,082,000 895,000 2,255,000 2,282,000        
Interest expense 226,000 0 509,000 0        
Affiliated entities | Interest Income from Secured Loans Receivable                
Related Party Transaction [Line Items]                
Interest income 88,000 118,000 141,000 150,000        
Affiliated entities | Interest Income from Finance Products                
Related Party Transaction [Line Items]                
Interest income 994,000 777,000 2,114,000 2,132,000        
Affiliated entities | Interest Expense Incurred Related to Notes Payable                
Related Party Transaction [Line Items]                
Interest expense 0 0 4,000 0        
Affiliated entities | Interest Expense Incurred Related to Long-term Debt Obligation                
Related Party Transaction [Line Items]                
Interest expense 226,000 $ 0 505,000 $ 0        
SilverTowne Mint                
Related Party Transaction [Line Items]                
Note payable - related party               $ 500,000
Goldline Lenders                
Related Party Transaction [Line Items]                
Receivable 0   0       0  
Payables 7,870,000   7,870,000       $ 0  
Debt instrument, face amount 7,500,000   7,500,000          
Other long-term liabilities (related party) 400,000   400,000          
Long-term debt 6,993,000   6,993,000          
Unamortized loan funding fee 507,000   507,000          
Other long-term liabilities (related party) $ 370,000   $ 370,000