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INTANGIBLE ASSETS, NET | 6 Months Ended
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Jun. 30, 2025
INTANGIBLE ASSETS, NET |
INTANGIBLE ASSETS, NET | 8.INTANGIBLE ASSETS, NET Intangible assets consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, |  | December 31,
​ |  | 2025 |  | 2024
Copyrights | ​ | $ | 724,312 | ​ | $ | 710,846
Software | ​ | ​ | 71,933 | ​ | ​ | 69,273
Less: accumulated amortization | ​ |  | (626,115) | ​ |  | (538,907)
​ | ​ | $ | 170,130 | ​ | $ | 241,212
​ Amortization expense was $76,056 and $78,730 for the six months ended June 30, 2025 and 2024, respectively.

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