ORGANIZATION AND PRINCIPAL ACTIVITIES - Assets and Liabilities of Discontinued Operations and Loss from Discontinued Operations (Details) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
ORGANIZATION AND PRINCIPAL ACTIVITIES [Abstract]
Cash and cash equivalents		$ 0		$ 0		$ 48,863
Accounts receivable, net		0		0		144,856
Inventories		0		0		1,318,610
Prepayment and other current assets, net		0		0		1,214,361
Total assets classified as held for sale		0		0		2,726,690
Accounts payable		0		0		1,439,004
Accrued expenses and other current liabilities		0		0		579,443
Contract liabilities		0		0		84,641
Total liabilities classified as held for sale		0		0		$ 2,103,088
Net revenues				0	$ 162,179
Cost of goods sold				0	(768,189)
Gross loss				0	(606,010)
Selling and marketing expenses				(95,426)	(124,534)
General and administrative expenses				(29,377)	(398,227)
Provision for credit losses				0	(428,610)
Total operating expenses				(124,803)	(951,371)
Loss from discontinued operations				(124,803)	(1,557,381)
Income from long-term investments				0	6,359
Foreign currency exchange income (loss), net				15,054	(138,140)
Loss on disposition of subsidiaries	[1]			(2,817,651)	0
Other income (loss), net				131,633	(320,040)
Income (loss) from discontinued operations before taxes				(2,795,767)	(2,009,202)
Income tax expenses				0	0
Income (loss) from discontinued operations, net of tax		$ (2,935,552)	$ (1,705,812)	$ (2,795,767)	$ (2,009,202)

[1] Loss on disposition of subsidiaries was resulting from loss on the liquidation of CAE and CEGE.