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7. Income Taxes (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Income Tax Disclosure [Abstract]          
Unrecognized tax benefits $ 0   $ 0   $ 0
Deferred tax asset 16,100   16,100    
U.S. federal deferred tax assets 11,500   11,500    
State deferred tax assets 4,600   4,600    
Income tax expense $ 991 $ 1,508 $ 2,898 $ 4,409  
Effective income tax rate     35.00% 32.00%