12. STOCK BASED COMPENSATION (Details Assumptions) - Options [Member] - $ / shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Weighted average exercise price | $ 7.47 | $ 6.06 |
| Weighted average grant date fair value | $ 3.50 | $ 2.14 |
| Expected volatility | 44.10% | 43.94% |
| Weighted average expected term (in years) | 5 years 9 months 18 days | 5 years 4 months 24 days |
| Risk-free interest rate | 1.46% | 1.50% |
| Expected dividend yield | 0.00% | 0.00% |