Stock-based Compensation (Details - Option activity) - Share-Based Payment Arrangement, Option [Member] $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options outstanding, beginning balance | shares	177
Weighted-average exercise price per share, beginning balance | $ / shares	$ 35,231.40
Options granted | shares	0
Weighted-average exercise price per share, granted | $ / shares	$ 0
Options exercised | shares	0
Weighted-average exercise price per share, exercised | $ / shares	$ 0
Options forfeited | shares	0
Weighted-average exercise price per share, forfeited | $ / shares	$ 0
Options expired | shares	0
Weighted-average exercise price per share, expired | $ / shares	$ 0
Options outstanding, ending balance | shares	177
Weighted-average exercise price per share, ending balance | $ / shares	$ 35,231.40
Aggregate intrinsic value, ending balance | $	$ 0
Option exercisable | shares	177
Weighted-average exercise price per share, exercisable | $ / shares	$ 35,231.40
Aggregate intrinsic value, exercisable | $	$ 0