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7. Income Taxes (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Income Tax Disclosure [Abstract]          
Unrecognized tax benefits $ 0   $ 0   $ 0
Deferred tax asset 44,173   44,173   $ 42,847
U.S. federal deferred tax assets 34,000   34,000    
State deferred tax assets 10,200   10,200    
Income tax expense $ 6,806 $ 6,028 $ 19,885 $ 16,390  
Effective income tax rate     44.00% 43.00%