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8. Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Taxes Details      
Current $ 1,759us-gaap_CurrentIncomeTaxExpenseBenefit $ 1,345us-gaap_CurrentIncomeTaxExpenseBenefit $ 1,800us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred 178us-gaap_DeferredIncomeTaxExpenseBenefit 534us-gaap_DeferredIncomeTaxExpenseBenefit (213)us-gaap_DeferredIncomeTaxExpenseBenefit
Total $ 1,937us-gaap_IncomeTaxExpenseBenefit $ 1,879us-gaap_IncomeTaxExpenseBenefit $ 1,587us-gaap_IncomeTaxExpenseBenefit