Segment Information (Details - Segment information) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue	$ 47,923	$ 38,535
Cost of sales	43,427	35,826
Gross profit (loss)	4,496	2,709
Renewable Energy Solutions [Member]
Revenue	45,179	36,955
Cost of sales	41,184	34,488
Gross profit (loss)	3,995	2,467
P V Constructions And Operations [Member]
Revenue	943	909
Cost of sales	627	427
Gross profit (loss)	316	482
Electric Vehicles [Member]
Revenue	1,781	671
Cost of sales	1,608	551
Gross profit (loss)	173	120
Others [Member]
Revenue	20	0
Cost of sales	8	360
Gross profit (loss)	$ 12	$ (360)