A-Mark Precious Metals, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stockholders' Equity (Dividends and Narrative) (Details)

v3.8.0.1

Stockholders' Equity (Dividends and Narrative) (Details) - USD ($)										3 Months Ended
	Nov. 02, 2017	Sep. 27, 2017	May 25, 2017	Feb. 24, 2017	Dec. 01, 2016	Oct. 07, 2016	May 27, 2016	Feb. 29, 2016	Nov. 25, 2015	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends paid (usd per share)		$ 0.08	$ 0.08	$ 0.08	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.05
Share-based compensation expense										$ 436,407	$ 191,460
Compensation expense not yet recognized										$ 2,200,000
Compensation expense not yet recognized, period for recognition (in years)										2 years 3 months 21 days
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period										10 years
2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum amount of shares per employee (shares)										250,000
Shares granted under the plan, shares										79,345
Non Employee Director Except Chairman of the Board \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum grant date fair value										$ 300,000
Chairman of the Board and Director \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum grant date fair value										$ 600,000
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend declared (usd per share)	$ 0.08
Subsequent Event \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of additional shares authorized (shares)	525,000

- Definition

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Aggregate dividends paid during the period for each share of common stock outstanding.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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Number of additional shares authorized for issuance under an established share-based compensation plan.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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