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7. Intangible Assets (Details Narrative) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization expense for intangible assets $ 100,000us-gaap_AmortizationOfIntangibleAssets $ 69,000us-gaap_AmortizationOfIntangibleAssets
Weighted average amortization period 10 years