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14. Geographical Information (Details-Assets) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Long-term tangible assets $ 3,400,000us-gaap_PropertyPlantAndEquipmentNet $ 3,237,000us-gaap_PropertyPlantAndEquipmentNet
UNITED STATES    
Long-term tangible assets 3,362,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_US		 3,220,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_US
CANADA    
Long-term tangible assets $ 38,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_CA		 $ 17,000us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_CA