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INCOME TAXES (Details - Narrative) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred tax assets, tax benefit may not be realized | $ 210,500 |  |  |
Deferred tax liabilities goodwill | 33,973 | $ 28,457 |  |
Unrecognized tax benefits | 5,088 | $ 5,484 | $ 4,320 | $ 4,629
Unrecognized tax benefits, tax impact if recognized | 4,100 |  |  |
Unrecognized tax benefits, income tax penalties and interest accrued during period | 40 |  |  |
Unrecognized tax benefits, income tax penalties and interest accrued | 400 |  |  |
Domestic Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforward | 224,000 |  |  |
Operating loss carryforwards, subject to expiration | 152,100 |  |  |
State and Local Jurisdiction |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforward | 194,300 |  |  |
Tax Year 2018 | Domestic Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforward | 71,900 |  |  |
Raven Holdings | Domestic Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards, subject to expiration | $ 24,900 |  |  |

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