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Note 26 - Earnings per share (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Warrant [Member]
       
Note 26 - Earnings per share (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,363,456 2,719,347 2,363,456 2,909,390
Employee Stock Option [Member]
       
Note 26 - Earnings per share (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 939,440 939,440 939,440 939,440