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F. Intangible Assets (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization expense for intangible assets $ 411 $ 356 $ 68
Weighted average amortization period 9 years 6 months