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23. Income Taxes (Details - Tax reconciliation) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Provision for income taxes at U.S. Federal statutory rate $ (3,161) $ (1,219) $ (9,232)
State taxes, net of federal benefit (944) (168) (610)
Foreign taxes at different rate 314 902 1,059
Non-deductible expenses (936) (231) 345
Tax law changes 0 188 22,813
Valuation allowance 6,463 45,870 (17,752)
Other (209) 0 5,086
Disposition of subsidiaries 0 (45,193) 0
Impairments and intangible amortization 0 0 (3,761)
Share Based Compensation 12 579 279
Gain on debt modification 0 (396) (1,475)
(Reversal) accrual of tax penalty (1,447) 0 3,385
Total provision for income taxes $ 92 $ 332 $ 137