Note 4. Cash Flow Hedge (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Notes Payable to Banks
Long Term Debt Percentage Bearing Fixed Interest Rate	4.95%	4.95%
Interest Rate Swap \| Designated as Hedging Instrument
Derivative Liability Notional Amount	$ 4,000	$ 4,000
Derivative Fixed Interest Rate	1.60%	1.60%
Interest Rate Swap \| Designated as Hedging Instrument \| Accounts Payable and Accrued Liabilities
Derivative Liability, Fair Value, Gross Liability	$ 55	$ 83

Fair value, before 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 elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Fixed interest rate related to the interest rate derivative.

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Nominal or face amount used to calculate payments on the derivative liability.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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