SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Short-term investments, Impairment of long lived assets and Employee defined contribution plan (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Short-term investments | |||
| Shortterm investments | $ 0 | $ 0 | |
| Impairment of long lived assets | |||
| Impairment loss | 0 | 0 | $ 0 |
| Employee defined contribution plan | |||
| Employee benefit expenses | $ 1,810,503 | $ 2,092,412 | $ 2,584,392 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|