Commitments and Contingencies - Additional Information (Details) |
12 Months Ended | |
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Jun. 30, 2021
USD ($)
oz
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Jun. 30, 2020
USD ($)
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| Commitments And Contingencies Disclosure [Abstract] | ||
| Maximum annual contributions per employee, percent | 90.00% | |
| Employer matching contribution, percent of match, percentage | 30.00% | |
| Employer matching contribution, percent of employees' gross pay, percentage | 60.00% | |
| Automatic default contribution for newly eligible employees percent of deducted pre-tax from employees pay | 3.00% | |
| Employees eligible period | 21 years | |
| Employer contribution | $ | $ 382,000 | $ 276,000 |
| Refined silver leased under supplier agreement | oz | 100,000 | |
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- Definition Defined contribution plan, automatic default contribution for newly eligible employees percent of deducted pre-tax from employees pay. No definition available.
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- Definition Defined contribution plan employees eligible period. No definition available.
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- Definition Refined silver leased under supplier agreement. No definition available.
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- References No definition available.
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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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- Definition Percentage employer matches of the employee's percentage contribution matched. No definition available.
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
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