Investments in Unconsolidated Companies (Details Narrative) - USD ($)	1 Months Ended	6 Months Ended		12 Months Ended
	Apr. 29, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Accounts receivable		$ 9,400,000
Total current and noncurrent contract assets		51,900,000
Maximum exposure to loss		$ 61,600,000
Ownership percentage		8.00%
Contingent on tax equity transaction		$ 42,000,000.0
Remaining EPC contractual value		61,100,000
Prepaid inventory		$ 285,000
Non-controlling interest		30.00%	30.00%
Equity interest		30.00%	30.00%
EPC Contract [Member]
Accounts receivable		$ 9,400,000
Total current and noncurrent contract assets		51,900,000
Prepaid inventory		$ 285,000
Variable Interest Entity [Member]
Ownership percentage		8.00%
Annual deferred payment		$ 17,000,000.0
Longfellow BESS I LLC [Member]
Accounts receivable		9,400,000
Annual deferred payment		61,100,000
Longfellow BESS I LLC [Member] \| LLC agreement [Member]
Ownership percentage	8.00%
Investment not yet recognized		$ 5,000,000.0		$ 5,000,000.0
Unfunded capital contribution				$ 5,000,000.0
PRC [Member]
Non-controlling interest		30.00%	30.00%
Entities [Member]
Equity interest transferred to the customer		70.00%