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Non-marketable equity securities | 9 Months Ended
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Sep. 30, 2021
Non Marketable Securities [Abstract] |
Non-marketable equity securities |
10. | Non-marketable equity securities
|  | December 31, |  |  | September 30, |
|  | 2020 |  |  | 2021 |
Cost |  | $ | - |  |  | $ | 1,396,076 |
Impairment |  |  | - |  |  |  | (693,269 | )
Carrying amount |  | $ | - |  |  | $ | 702,807 |
On April 21, 2021, CBAK Power, along with Shenzhen BAK Power Battery Co., Ltd (BAK Shenzhen), Shenzhen Asian Plastics Technology Co., Ltd (SZ Asian Plastics) and Xiaoxia Liu (collectively the “Investors”), entered into an investment agreement with Junxiu Li, Hunan Xintao New Energy Technology Partnership, Xingyu Zhu, and Jiangsu Saideli Pharmaceutical Machinery Manufacturing Co., Ltd for an investment in Hunan DJY Technology Co., Ltd ("DJY"), a privately held company. CBAK Power has paid $1.40 million (RMB9,000,000) to acquire 9.74% of the equity interests of DJY. CBAK Power along with other three new investors has appointed one director on behalf of the Investors to the Board of Directors of DJY. DJY is unrelated third party of the Company engaging in in research and development, production and sales of products and services to lithium battery positive cathode materials producers, including the raw materials, fine ceramics, equipment and industrial engineering. Non-marketable equity securities are investments in privately held companies without readily determinable market value. The Company measures investments in non-marketable equity securities without a readily determinable fair value using a measurement alternative that measures these securities at the cost method minus impairment, if any, plus or minus changes resulting from observable price changes on a non-recurring basis. The fair value of non-marketable equity securities that have been remeasured due to impairment are classified within Level 3. The Company adjusts the carrying value of non-marketable equity securities which have been remeasured during the period and recognize resulting gains or losses as a component of other operating income (expense), net. The Company recognized an impairment loss of $43 and $690,585 on the non-marketable equity securities for the three and nine months ended September 30, 2021, respectively.

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