Summary of Significant Accounting Policies (Details - Disaggregation of revenue by revenue stream) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Product Information [Line Items]
Revenues	$ 47,923	$ 38,535
AUSTRALIA
Product Information [Line Items]
Revenues	35,281	28,166
UNITED STATES
Product Information [Line Items]
Revenues	11,740	9,455
JAPAN
Product Information [Line Items]
Revenues	18
ITALY
Product Information [Line Items]
Revenues	157	256
UNITED KINGDOM
Product Information [Line Items]
Revenues	244	151
GREECE
Product Information [Line Items]
Revenues	483	507
Photo Voltaic Solar Components [Member]
Product Information [Line Items]
Revenues	34,997	28,024
Photo Voltaic Solar Components [Member] | AUSTRALIA
Product Information [Line Items]
Revenues	34,997	28,024
Photo Voltaic Solar Components [Member] | UNITED STATES
Product Information [Line Items]
Revenues	0	0
Photo Voltaic Solar Components [Member] | JAPAN
Product Information [Line Items]
Revenues	0
Photo Voltaic Solar Components [Member] | ITALY
Product Information [Line Items]
Revenues	0	0
Photo Voltaic Solar Components [Member] | UNITED KINGDOM
Product Information [Line Items]
Revenues	0	0
Photo Voltaic Solar Components [Member] | GREECE
Product Information [Line Items]
Revenues	0	0
Self Assembled Solar Modules [Member]
Product Information [Line Items]
Revenues	9,020
Self Assembled Solar Modules [Member] | AUSTRALIA
Product Information [Line Items]
Revenues	0
Self Assembled Solar Modules [Member] | UNITED STATES
Product Information [Line Items]
Revenues	9,020
Self Assembled Solar Modules [Member] | JAPAN
Product Information [Line Items]
Revenues	0
Self Assembled Solar Modules [Member] | ITALY
Product Information [Line Items]
Revenues	0
Self Assembled Solar Modules [Member] | UNITED KINGDOM
Product Information [Line Items]
Revenues	0
Self Assembled Solar Modules [Member] | GREECE
Product Information [Line Items]
Revenues	0
Roofing Solar System [Member]
Product Information [Line Items]
Revenues	879	8,789
Roofing Solar System [Member] | AUSTRALIA
Product Information [Line Items]
Revenues	0	0
Roofing Solar System [Member] | UNITED STATES
Product Information [Line Items]
Revenues	879	8,789
Roofing Solar System [Member] | JAPAN
Product Information [Line Items]
Revenues	0
Roofing Solar System [Member] | ITALY
Product Information [Line Items]
Revenues	0	0
Roofing Solar System [Member] | UNITED KINGDOM
Product Information [Line Items]
Revenues	0	0
Roofing Solar System [Member] | GREECE
Product Information [Line Items]
Revenues	0	0
Electricity Revenue With P P A [Member]
Product Information [Line Items]
Revenues	924	914
Electricity Revenue With P P A [Member] | AUSTRALIA
Product Information [Line Items]
Revenues	0	0
Electricity Revenue With P P A [Member] | UNITED STATES
Product Information [Line Items]
Revenues	40	0
Electricity Revenue With P P A [Member] | JAPAN
Product Information [Line Items]
Revenues	0
Electricity Revenue With P P A [Member] | ITALY
Product Information [Line Items]
Revenues	157	256
Electricity Revenue With P P A [Member] | UNITED KINGDOM
Product Information [Line Items]
Revenues	244	151
Electricity Revenue With P P A [Member] | GREECE
Product Information [Line Items]
Revenues	483	507
Automotive Sales And Leasing [Member]
Product Information [Line Items]
Revenues	1,241	525
Automotive Sales And Leasing [Member] | AUSTRALIA
Product Information [Line Items]
Revenues	0	0
Automotive Sales And Leasing [Member] | UNITED STATES
Product Information [Line Items]
Revenues	1,241	525
Automotive Sales And Leasing [Member] | JAPAN
Product Information [Line Items]
Revenues	0
Automotive Sales And Leasing [Member] | ITALY
Product Information [Line Items]
Revenues	0	0
Automotive Sales And Leasing [Member] | UNITED KINGDOM
Product Information [Line Items]
Revenues	0	0
Automotive Sales And Leasing [Member] | GREECE
Product Information [Line Items]
Revenues	0	0
Other Services [Member]
Product Information [Line Items]
Revenues	862	283
Other Services [Member] | AUSTRALIA
Product Information [Line Items]
Revenues	284	142
Other Services [Member] | UNITED STATES
Product Information [Line Items]
Revenues	560	141
Other Services [Member] | JAPAN
Product Information [Line Items]
Revenues	18
Other Services [Member] | ITALY
Product Information [Line Items]
Revenues	0	0
Other Services [Member] | UNITED KINGDOM
Product Information [Line Items]
Revenues	0	0
Other Services [Member] | GREECE
Product Information [Line Items]
Revenues	$ 0	$ 0