5. 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]
Income tax expense	$ (154)	$ (290)	$ 201	$ (183)
Net deferred tax assets	$ 3,659		$ 3,659		$ 3,495