5. Income Taxes (Details Narative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income tax expense	$ (17)	$ (252)	$ (200)	$ (353)
Net deferred tax assets	3,122		3,122		$ 3,317
Federal
Net operating loss carryforwards	5,216		5,216
State
Net operating loss carryforwards	$ 12,766		$ 12,766