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Note 4 - Deepwater Horizon Settlement (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Note 4 - Deepwater Horizon Settlement (Details) [Line Items]  
Economic And Property Damages Settlement Agreement Claim $ 808,865
Legal Fees 80,887
Professional Fees 40,443
Proceeds from Legal Settlements 687,535
Claimant Accounting Supporting Reimbursment [Member]
 
Note 4 - Deepwater Horizon Settlement (Details) [Line Items]  
Economic And Property Damages Settlement Agreement Claim $ 11,250