13. INCOME TAXES (Details - Deferred valuation allowance) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Income Tax Disclosure [Abstract] | ||
| Deferred tax asset valuation allowance, beginning balance | $ 22,276 | $ 19,497 |
| Additions | 3,123 | 3,035 |
| Deductions | 522 | 256 |
| Deferred tax asset valuation allowance, ending balance | $ 24,877 | $ 22,276 |