Share-based Compensation (Details - Options by Exercise Price) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) $ / shares shares
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Shares Exercisable | shares	440,150
Weighted average remaining contractual life	7 years 4 months 6 days
Weighted average exercise price	$ 6.36
Aggregate Intrinsic Value (in Dollars) | $	$ 1
Price Range 1 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Lower exercise price per share (in dollars per share)	$ 118
Upper exercise price per share (in dollars per share)	$ 172
Shares Exercisable | shares	1,000
Weighted average remaining contractual life	2 years 29 days
Weighted average exercise price	$ 172.00
Aggregate Intrinsic Value (in Dollars) | $	$ 0
Price Range 2 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Lower exercise price per share (in dollars per share)	$ 40
Upper exercise price per share (in dollars per share)	$ 117
Shares Exercisable | shares	14,600
Weighted average remaining contractual life	3 years 3 months 29 days
Weighted average exercise price	$ 62.03
Aggregate Intrinsic Value (in Dollars) | $	$ 0
Price Range 3 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Lower exercise price per share (in dollars per share)	$ 3
Upper exercise price per share (in dollars per share)	$ 39
Shares Exercisable | shares	412,050
Weighted average remaining contractual life	7 years 6 months 7 days
Weighted average exercise price	$ 7.54
Aggregate Intrinsic Value (in Dollars) | $	$ 0
Price Range 4 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Lower exercise price per share (in dollars per share)	$ 1
Upper exercise price per share (in dollars per share)	$ 2
Shares Exercisable | shares	12,500
Weighted average remaining contractual life	6 years 9 months 18 days
Weighted average exercise price	$ 1.61
Aggregate Intrinsic Value (in Dollars) | $	$ 1