Segment Information (Details - Segment information) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Revenue	$ 58,850	$ 48,584	$ 106,773	$ 87,119
Cost of sales	53,612	44,712	97,039	80,538
Gross profit (loss)	5,238	3,872	9,734	6,581
Renewable Energy Solutions [Member]
Segment Reporting Information [Line Items]
Revenue	49,295	44,498	94,191	81,453
Cost of sales	45,416	43,137	85,990	77,625
Gross profit (loss)	3,879	1,361	8,201	3,828
P V Constructions And Operations [Member]
Segment Reporting Information [Line Items]
Revenue	8,067	2,479	8,991	3,388
Cost of sales	6,154	573	6,770	1,000
Gross profit (loss)	1,913	1,906	2,221	2,388
Electric Vehicles [Member]
Segment Reporting Information [Line Items]
Revenue	842	1,490	2,083	2,161
Cost of sales	738	1,174	1,797	1,725
Gross profit (loss)	104	316	286	436
Others [Member]
Segment Reporting Information [Line Items]
Revenue	646	117	1,508	117
Cost of sales	1,304	(172)	2,482	188
Gross profit (loss)	$ (658)	$ 289	$ (974)	$ (71)