|12 Months Ended|
Jun. 30, 2018
|Equity Method Investments and Cost Method Investments [Abstract]|
The Company has two investments in privately-held entities, both of which are online precious metals retailers and customers of the Company. The Company has exclusive supplier agreements with each entity, for which these customers have agreed to purchase all bullion products required for their businesses exclusively from A-Mark, subject to certain limitations. The Company also provides fulfillment services to both of these customers. The following table shows the carrying value of the Company's investments in the privately held companies, categorized by type of investment:
Equity Method Investment
The Company applies the equity method of accounting for its investment in which it has aggregate ownership interest of 20.6%. Under the equity method of accounting, the carrying value of the investment is adjusted for the Company's proportional share of the investee's reported earnings or losses with the corresponding share of earnings or losses reported in other income (expense) on the consolidated statements of operations. The Company's proportionate share of the investee’s net income totaled $421,000 and $94,000 for the years ended June 30, 2018 and 2017, respectively.
Cost Method Investment
The Company applies the cost method to its investment in which its ownership percentage, based on the number of fully dilutive common shares outstanding, was 2.5% as of June 30, 2018 and June 30, 2017. As of June 30, 2018 and June 30, 2017, the aggregate carrying balance of this investment was $0.5 million.