8. Stock Plans (Details - Unrecognized Compensation Cost ) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Compensation Cost, stock options | $ 362 |
| Total Unrecognized Compensation Cost | $ 2,080 |
| Stock Option [Member] | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Weighted Average Remaining Years in Amortization Period | 1 year 2 months 12 days |
| Restricted Stock [Member] | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Compensation Cost, other than options | $ 584 |
| Weighted Average Remaining Years in Amortization Period | 1 year 2 months 12 days |
| Restricted Stock Units R S U [Member] | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Compensation Cost, other than options | $ 1,134 |
| Weighted Average Remaining Years in Amortization Period | 3 years |