The average realized silver price per ounce.

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- Definition

The minimum average realized silver price per ounce that must be met for the silver-price-linked component of dividends to be declared.

+ References

No definition available.

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- References

No definition available.

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- References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(4))

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

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- Definition

Number of warrants or rights outstanding.

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-Name Accounting Standards Codification

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-SubTopic 10

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-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

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- Definition

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

+ References

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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-Name Accounting Standards Codification

-Topic 942

-SubTopic 405

-Section 45

-Paragraph 2

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- Definition

Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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-Paragraph 15

-Subparagraph (a)

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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Number of share instruments newly issued under a share-based compensation plan.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

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Note 8 - Shareholders' Equity (Details) $ / shares in Units, $ in Millions				3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 03, 2015 USD ($) $ / shares	Jul. 01, 2015 USD ($) shares	Mar. 05, 2015 shares	Sep. 30, 2015 $ / shares $ / oz shares	Sep. 30, 2014 $ / shares	Sep. 30, 2015 USD ($) $ / shares $ / oz shares	Sep. 30, 2014 USD ($) $ / shares shares	Dec. 31, 2014 USD ($)	Nov. 02, 2015 $ / shares	Jun. 15, 2015 CAD / shares	May. 08, 2012 shares
Note 8 - Shareholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period						235,134
Common Stock, Dividends, Per Share, Declared (in Dollars per share) \| $ / shares				$ 0.0025	$ 0.0025	$ 0.0075	$ 0.0075
undefined (in Dollars per Ounce) \| $ / oz				14.54
Average Realized Silver Price, Minimum Dividend Threshold (in Dollars per Ounce) \| $ / oz				30		30
Share Price (in Dollars per share) \| CAD / shares										CAD 3.06
Class of Warrant or Right, Outstanding				2,249,550		2,249,550
Class of Warrant or Right, Number of Securities Called by Warrants or Rights				0.1622		0.1622
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share) \| $ / shares				$ 6.17		$ 6.17
Non-employee Directors [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period							150,378
Employees and Non-employee Directors [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Allocated Share-based Compensation Expense (in Dollars) \| $						$ 4.0	$ 3.8
Common Stock Repurchase Program [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share) \| $ / shares						$ 3.99
Stock Repurchase Program, Number of Shares Authorized to be Repurchased											20,000,000
Cumulative Stock Repurchased				934,100		934,100
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased				19,100,000		19,100,000
Satisfy Withholding Obligations [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Shares Paid for Tax Withholding for Share Based Compensation						613,698	695,961
Payments Related to Tax Withholding for Share-based Compensation (in Dollars) \| $						$ 1.9	$ 2.3
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share) \| $ / shares						$ 3.05	$ 3.27
Subsequent Event [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Common Stock, Dividends, Per Share, Declared (in Dollars per share) \| $ / shares	$ 0.0025
Dividends, Common Stock (in Dollars) \| $	$ 0.9
Share Price (in Dollars per share) \| $ / shares									$ 2.13
Stock Awards [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period			911,148
Allocated Share-based Compensation Expense (in Dollars) \| $								$ 3.0
Vesting One Third in July 2016, One Third in July 2017, and One Third in July 2018 [Member] \| Restricted Stock Units (RSUs) [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		1,936,057
Vesting One Half in July 2016 and One Half in 2017 [Member] \| Restricted Stock Units (RSUs) [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		149,597
Vesting in July 2016 [Member] \| Restricted Stock Units (RSUs) [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		77,862
Vesting in July 2016 [Member] \| Restricted Stock Units (RSUs) [Member] \| Recognized Over the Next 12 Months [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Allocated Share-based Compensation Expense (in Dollars) \| $		$ 1.9
Vesting in July 2017 [Member] \| Restricted Stock Units (RSUs) [Member] \| Recognized Over the Next 24 Months [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Allocated Share-based Compensation Expense (in Dollars) \| $		1.8
Vesting in July 2018 [Member] \| Restricted Stock Units (RSUs) [Member] \| Recognized Over the Next 36 Months [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Allocated Share-based Compensation Expense (in Dollars) \| $		$ 1.6
Minimum [Member]
Note 8 - Shareholders' Equity (Details) [Line Items]
Common Stock, Dividends, Per Share, Declared (in Dollars per share) \| $ / shares						$ 0.01