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Note 12 - Income Taxes (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00% 35.00%
Effective Income Tax Rate Reconciliation, at Foreign Statutory Income Tax Rate 30.00% 30.00%