v3.26.1
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Summary Of Significant Accounting Policies [Line Items]      
Revenue from contracts with customers amount of service revenue $ 618,000,000 $ 176,900,000  
Contract liabilities 12,400,000 6,900,000  
Amortization of debt issuance costs $ 4,267,000 4,092,000 $ 2,447,000
Indefinite-lived intangible assets impairment charges   0  
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%    
Percentage of hammer price on auction transaction price 20.00%    
Advertising costs $ 42,141,000 23,698,000 15,253,000
Cost of sales $ 25,060,265,000 $ 10,767,698,000 $ 9,525,784,000
Antidilutive shares were excluded from the calculation 6,000 279,000 23,000
Common stock, shares outstanding 29,121,293 24,639,386 22,953,391
Change in accounting principle, accounting standards update, adoption date Jun. 30, 2026    
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true    
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] true    
Accounting Standards Update [Extensible Enumeration] us-gaap:AccountingStandardsUpdate202309Member    
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]      
Revenue From Contracts With Customers Percentage of Service Revenue 5.00%    
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    
XAUt      
Summary Of Significant Accounting Policies [Line Items]      
Value of digital assets $ 20,000,000    
Embedded derivative of digital assets 3,000,000    
Unrealized loss arising from embedded derivative of digital assets 3,000,000    
XAUt | Prepaid and Other Current Assets      
Summary Of Significant Accounting Policies [Line Items]      
Value of digital assets current 17,000,000    
Shipping and Handling      
Summary Of Significant Accounting Policies [Line Items]      
Cost of sales $ 41,500,000 $ 26,500,000 $ 21,900,000