6. Income Taxes (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Deferred tax asset	$ 3,100,000	$ 3,900,000
Operating losses expiration year	2021 and 2036
Deferred benefits		$ (468,000)	$ (503,000)	$ 442,000
Tax benefits from loss on discontinued operations			$ 12,000	$ 57,000