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Intangible assets, net | 12 Months Ended
--- | ---
Mar. 31, 2023
Intangible assets, net |
Intangible assets, net |
12. | Intangible assets, net
Intangible assets consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of March 31,
​ | ​ | 2023 | ​ | 2022
Software |  | $ | 5,610,547 |  | $ | 6,073,217
Courseware | ​ |  | 30,443,609 | ​ |  | 32,954,121
Copyrights | ​ |  | 12,266,906 | ​ |  | 13,275,393
​ | ​ |  | 48,321,062 | ​ |  | 52,302,731
Less: accumulated amortization | ​ |  | (39,999,028) | ​ |  | (36,970,335)
Less: impairment | ​ | ​ | (8,067,388) | ​ | ​ | —
Intangible assets, net | ​ | $ | 254,646 | ​ | $ | 15,332,396
​ During the years ended March 31, 2023 and 2022, the Group had no pledged intangible assets. Due to the significant deterioration in general economic conditions during the year ended March 31, 2023, the Company recognized the full impairment loss for the intangible assets related to vocational education, for a total amount of $8,051,199. And the impairment loss for the year ended March 31, 2022 was $0. Addition to intangible assets for the year ended March 31, 2023 and March 31, 2022 were $0 and $2,043,862, respectively. There was no disposal of intangible assets for the year ended March 31, 2023 and March 31, 2022. Amortization expenses were $5,833,439 and $7,771,842 for the years ended March 31, 2023 and 2022, respectively. The following is a schedule, by fiscal year, of amortization amounts of intangible asset as of March 31, 2023: ​
​ | ​ | ​ | ​
2024 |  | $ | 72,602
2025 | ​ |  | 72,602
2026 | ​ |  | 72,602
2027 | ​ |  | 36,840
Total | ​ | $ | 254,646
​

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -URI https://asc.fasb.org/subtopic&trid=2144471 + Details
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