Disaggregated revenue and Concentration (Details 2)	3 Months Ended		9 Months Ended		12 Months Ended
Disaggregated revenue and Concentration (Details 2)	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Purchase Member
Concentration	76.70%	93.70%	83.50%	88.40%	77.39%	81.42%
Accounts Payble Member
Concentration			64.00%		174.50%	0.00%
Supplier Customer A Member \| Purchase Member
Concentration	0.00%	62.80%	32.50%	33.80%	33.09%	77.01%
Supplier Customer A Member \| Accounts Payble Member
Concentration			0.00%		0.00%
Supplier Customer B Member \| Purchase Member
Concentration	3.70%	9.60%	4.90%	8.40%	12.25%	0.00%
Supplier Customer B Member \| Accounts Payble Member
Concentration			4.90%		74.50%	0.00%
Supplier Customer C [Member] \| Purchase Member
Concentration	0.00%	0.80%	0.00%	27.80%	23.80%	0.00%
Supplier Customer C [Member] \| Accounts Payble Member
Concentration			0.00%		0.00%
Supplier Customer D [Member] \| Purchase Member
Concentration	41.90%	2.00%	7.00%	8.30%	8.25%	4.41%
Supplier Customer D [Member] \| Accounts Payble Member
Concentration			59.10%		0.00%	0.00%
Supplier Customer F Member \| Purchase Member
Concentration	0.00%	18.50%	3.20%	10.00%
Supplier Customer F Member \| Accounts Payble Member
Concentration			0.00%		100.00%
Supplier Customer G [Member] \| Purchase Member
Concentration	13.20%	0.00%	19.10%	0.00%
Supplier Customer G [Member] \| Accounts Payble Member
Concentration			0.00%		0.00%
Supplier Customer E Member \| Purchase Member
Concentration	0.00%	0.00%	13.60%	0.00%
Supplier Customer E Member \| Accounts Payble Member
Concentration			0.00%		0.00%
Supplier Customer H Member \| Purchase Member
Concentration	17.90%	0.00%	3.30%	0.00%
Supplier Customer H Member \| Accounts Payble Member
Concentration			0.00%		0.00%