Right-of-use Asset and Leasing Liabilities (Details - Other supplemental information) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Right-of-use Assets And Leasing Liabilities
Operating cash flows for operating leases	$ (261)	$ (1,085)
Financing cash flows for finance leases	$ (290)	$ (645)