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7. Income Taxes (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Income Tax Disclosure [Abstract]          
Unrecognized tax benefits $ 0   $ 0   $ 0
Deferred tax asset 43,197   43,197   $ 37,597
U.S. federal deferred tax assets 34,800   34,800    
State deferred tax assets 8,400   8,400    
Income tax expense $ 5,107 $ 6,806 $ 15,175 $ 19,885  
Effective income tax rate     41.00% 44.00%