ORGANIZATION AND PRINCIPAL ACTIVITIES - Discontinued Operations (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
ORGANIZATION AND PRINCIPAL ACTIVITIES [Abstract]
Cash and cash equivalents	$ 48,863	$ 140,029
Accounts receivable, net	144,856	1,406,457
Inventories	1,318,610	4,983,432
Prepayment and other current assets, net	1,214,361	1,035,486
Long-term investment	0	89,533
Other non-current assets	0	54,032
Total assets classified as held for sale	2,726,690	7,708,969
Accounts payable	1,439,004	1,534,467
Accrued expenses and other current liabilities	579,443	809,773
Contractual liabilities	84,641	80,696
Operating lease liabilities, current	0	30,603
Total liabilities classified as held for sale	2,103,088	2,455,539
Net revenues	645,976	3,766,417
Cost of goods sold	(1,966,383)	(9,103,978)
Gross loss	(1,320,407)	(5,337,561)
Selling and marketing expenses	(385,372)	(2,488,122)
General and administrative expenses	(480,035)	(2,737,938)
Research and development expenses	0	(399,002)
Provision for credit losses	(1,481,720)	0
Total operating expenses	(2,347,127)	(5,625,062)
Loss from discontinued operations	(3,667,534)	(10,962,623)
(Loss) income from long-term investments	(97,794)	6,114
Foreign currency exchange (loss) gain, net	(66,598)	39,291
Other (loss) income, net	(303,791)	121,526
Loss from discontinued operations before taxes	(4,135,717)	(10,795,692)
Income tax expenses	0	0
Loss from discontinued operations, net of tax	$ (4,135,717)	$ (10,795,692)