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4. Goodwill and Other Intangible Assets (Details-Amortization schedule) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]    
2015 $ 50,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths  
2016 50,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2017 29,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
Total amortization expense $ 129,000us-gaap_FiniteLivedIntangibleAssetsNet $ 160,000us-gaap_FiniteLivedIntangibleAssetsNet