Stock-based Compensation (Details - Option activity) - Share-Based Payment Arrangement, Option [Member] $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($) $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options outstanding, beginning balance | shares	177
Options outstanding, price per share, beginning balance | $ / shares	$ 35,231.40
Options granted | shares	0
Options granted, price per share | $ / shares	$ 0
Options exercised | shares	0
Options exercised, price per share | $ / shares	$ 0
Options forfeited | shares	0
Options forfeited, price per share | $ / shares	$ 0
Options expired | shares	(50)
Options expired, price per share | $ / shares	$ 82,948.68
Options outstanding, ending balance | shares	127
Options outstanding, price per share, ending balance | $ / shares	$ 16,445.06
Aggregate Intrinsic Value, outstanding | $	$ 0
Options exercisable | shares	127
Options exercisable, price per share | $ / shares	$ 16,445.06
Aggregate Intrinsic Value, Exercisable | $	$ 0