7. Income Taxes (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 0		$ 0		$ 0
Deferred tax asset	47,700		47,700
U.S. federal deferred tax assets	40,600		40,600
State deferred tax assets	7,100		7,100
Income tax expense	$ 3,446	$ 5,107	$ 10,138	$ 15,175
Effective income tax rate	43.00%	41.00%	43.00%	41.00%