XML 23 R24.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 8 - Shareholders' Equity (Tables)
9 Months Ended
Sep. 30, 2013
Stockholders' Equity Note [Abstract]  
Dividend Payment Restrictions [Text Block]

Quarterly average realized silver

price per ounce

 

Quarterly dividend per

share

 

Annualized dividend

per share

$30

 

$0.01

 

$0.04

$35

 

$0.02

 

$0.08

$40

 

$0.03

 

$0.12

$45

 

$0.04

 

$0.16

$50

 

$0.05

 

$0.20

$55

 

$0.06

 

$0.24

$60

 

$0.07

 

$0.28

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

Warrants Outstanding

 

Warrants

   

Exercise Price

 

Expiration Date

Series 1 warrants

    5,200,519     $ 2.40  

June 2014

Series 1 warrants

    460,976       2.51  

June 2014

Series 3 warrants

    16,671,128       2.45  

August 2014

Total warrants outstanding

    22,332,623