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Note 6 - Fair Value Measurements (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Note 6 - Fair Value Measurements (Details) [Line Items]
Hedging Assets, Noncurrent	$ 0us-gaap_HedgingAssetsNoncurrent	$ 18,616us-gaap_HedgingAssetsNoncurrent
Hedging Liabilities, Current	9,895us-gaap_HedgingLiabilitiesCurrent	11,966us-gaap_HedgingLiabilitiesCurrent
Fair Value, Inputs, Level 2 [Member]
Note 6 - Fair Value Measurements (Details) [Line Items]
Derivative Asset	9,895
Derivative Liability		$ 6,650

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References+ Details

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References+ Details