7. Income Taxes (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 0		$ 0		$ 0
Deferred tax asset	17,100		17,100
U.S. federal deferred tax assets	12,200		12,200
State deferred tax assets	4,900		4,900
Income tax expense	$ 970	$ 1,489	$ 1,907	$ 2,901
Effective income tax rate			35.00%	32.00%