Disaggregation of Revenue (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue
Large-scale EPC contracts	$ 809,154	$ 0	$ 6,009,606	$ 0
Sales on non-installment basis	5,637,986	5,453,069	12,848,350	8,510,959
Third-party leasing arrangements	1,611,482	418,621	2,478,285	3,139,403
Solar lease revenues	15,073	15,273	28,545	30,945
Solar power purchase agreement revenues	8,032	3,958	10,873	5,992
Total solar energy and battery storage systems	8,081,727	5,890,921	21,375,659	11,687,299
LED projects	2,125,371	911,092	3,608,317	1,970,277
Financing related	36,514	80,991	90,253	152,897
Total revenues	$ 10,243,612	$ 6,883,004	$ 25,074,229	$ 13,810,473

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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