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Note 9 - Shareholders' Equity (Details) - Common Stock Dividend Policy (USD $) | 12 Months Ended
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Dec. 31, 2014
$30 [Member] |
Note 9 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 30 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyDollarMember
Quarterly dividend per share | $ 0.01 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyDollarMember
Annual dividend per share | $ 0.04 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyDollarMember
$35 [Member] |
Note 9 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 35 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyFiveDollarMember
Quarterly dividend per share | $ 0.02 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyFiveDollarMember
Annual dividend per share | $ 0.08 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_ThirtyFiveDollarMember
$40 [Member] |
Note 9 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 40 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyDollarMember
Quarterly dividend per share | $ 0.03 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyDollarMember
Annual dividend per share | $ 0.12 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyDollarMember
$45 [Member] |
Note 9 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 45 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyFiveDollarMember
Quarterly dividend per share | $ 0.04 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyFiveDollarMember
Annual dividend per share | $ 0.16 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FortyFiveDollarMember
$50 [Member] |
Note 9 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 50 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyDollarMember
Quarterly dividend per share | $ 0.05 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyDollarMember
Annual dividend per share | $ 0.20 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyDollarMember
$55 [Member] |
Note 9 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 55 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyFiveDollarMember
Quarterly dividend per share | $ 0.06 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyFiveDollarMember
Annual dividend per share | $ 0.24 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_FiftyFiveDollarMember
$60 [Member] |
Note 9 - Shareholders' Equity (Details) - Common Stock Dividend Policy [Line Items] |
Quarterly average realized silver price per ounce (in Dollars per Ounce) | 60 hl_QuarterlyAverageRealizedSilverPrice / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_SixtyDollarMember
Quarterly dividend per share | $ 0.07 hl_QuarterlyDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_SixtyDollarMember
Annual dividend per share | $ 0.28 hl_AnnualDividendPerShare / hl_QuarterlyAverageRealizedSilverPricePerOunceAxis = hl_SixtyDollarMember

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