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 | |||
| ||||