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4. Line of Credit (Details Narrative)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Debt Disclosure [Abstract]  
Revolving line of credit, maximum principal amount $ 40,000,000
Line of credit $ 0
Revolving line of credit, interest plus LIBOR 1.42% [1]
Term loan, maturity period 2 years
[1] LIBOR plus one percent