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Note 5 - Income taxes (Details) - Deferred Income Taxes (USD $)
Dec. 31, 2013
Dec. 31, 2012
Note 5 - Income taxes (Details) - Deferred Income Taxes [Line Items]    
Current      
Non-current (181,818) (181,818)
Conversion Of Investment From Tax Cash Basis To Accrual Basis For Financial Reporting [Member]
   
Note 5 - Income taxes (Details) - Deferred Income Taxes [Line Items]    
Current      
Non-current      
Unrealized Net Loss Gain On Marketable Securities [Member]
   
Note 5 - Income taxes (Details) - Deferred Income Taxes [Line Items]    
Current      
Non-current      
Casualty Loss [Member]
   
Note 5 - Income taxes (Details) - Deferred Income Taxes [Line Items]    
Current      
Non-current (121,239) (121,239)
Deferred Gain [Member]
   
Note 5 - Income taxes (Details) - Deferred Income Taxes [Line Items]    
Current      
Non-current $ (60,579) $ (60,579)