Stock-based Compensation (Details - Option activity) - Share-Based Payment Arrangement, Option [Member] $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options outstanding | shares	177
Options outstanding, price per share, beginning balance | $ / shares	$ 35,231.40
Options granted | shares	10,000
Options granted, price per share | $ / shares	$ 1.37
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	(93)
Options expired, price per share | $ / shares	$ 52,577.53
Options outstanding, ending balance | shares	10,084
Options outstanding, price per share, ending balance | $ / shares	$ 134.86
Weighted average contractual term, outstanding	9 years 8 months 26 days
Aggregate intrinsic value, outstanding | $	$ 0
Options exercisable | shares	84
Options exercisable, price per share | $ / shares	$ 16,026.76
Weighted average contractual term, exercisable	2 years 9 months 10 days
Aggregate intrinsic value, exercisable | $	$ 0