Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies - Additional Information (Details)

v3.25.3
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Jun. 30, 2025
Summary Of Significant Accounting Policies [Line Items]      
Metals purchase by customer maximum specified time period 1 year    
Metal delivers to customer after receiving customers deposit based on prevailing current spot price percentage 110.00%    
Unpriced metal is subject to margin call If deposit falls below percentage of value of unpriced metal 105.00%    
Percentage to remit partial payment of total order price 20.00%    
Amortization of debt issuance costs $ 1,635 $ 665  
Advertising costs 9,842 4,646  
Cost of sales $ 3,607,869 $ 2,671,653  
Common stock, shares outstanding 24,644,386 23,184,059 24,639,386
Revenue From Contracts With Customers Percentage of Service Revenue 3.00%    
Revenue from contracts with customers amount of service revenue $ 122,400    
Percentage of numismatic products revenue 99.00%    
Percentage of hammer price on auction transaction price 20.00%    
Contract liabilities $ 9,100   $ 6,900
Antidilutive shares were excluded from the calculation 745,047 10,000  
Shipping and Handling      
Summary Of Significant Accounting Policies [Line Items]      
Cost of sales $ 7,200 $ 6,100  
Minimum      
Summary Of Significant Accounting Policies [Line Items]      
Estimated useful lives of related assets 3 years    
Estimated useful lives of intangibles 1 year    
Threshold percentage for equity method investment 20.00%    
Maximum      
Summary Of Significant Accounting Policies [Line Items]      
Estimated useful lives of related assets 39 years    
Estimated useful lives of intangibles 15 years    
Threshold percentage for equity method investment 50.00%    
Customer locks period for purchase price 2 years