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Note 8. Income Taxes - Accrued Interest and Penalties Related to Unrecognized Tax Benefits (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued      
Unrecognized Tax Benefits, Interest on Income Taxes Accrued $ 256 $ 230 $ 311
Unrecognized Tax Benefits, Income Tax Penalties Accrued $ 85 $ 86 $ 117