Income Taxes - (Details - Provision for Income Taxes) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Current
Federal	$ 0	$ 0
State	0	0
Total current	0	0
Deferred
Federal	1,831	1,733
State	718	553
Total deferred	2,549	2,286
Valuation allowance	(2,549)	(2,286)
Total provision for income taxes	$ 0	$ 0

Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction.

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Amount of deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred national tax expense (benefit) for non-US (United States of America) jurisdiction.

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