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LONG-TERM INVESTMENT, NET, Equity Method Investments, Net (Details) | 3 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Dec. 16, 2022 USD ($) | Dec. 16, 2022 EUR (€) | Sep. 25, 2022 USD ($) | Sep. 25, 2022 CNY (¥) | Mar. 22, 2022 USD ($) | Mar. 22, 2022 EUR (€) | Jun. 23, 2021 USD ($) | Jun. 23, 2021 CNY (¥)
Equity Method Investment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment | $ 3,959,769 |  |  | $ 3,959,769 |  |  | $ 5,325,741 |  |  |  |  |  |  |  |  |
Impairment on investment | 8,538 |  | $ 0 | 1,154,666 |  | $ 0 |  |  |  |  |  |  |  |  |  |
Antric GmbH [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment | 1,414,402 | [1] |  | 1,414,402 | [1] |  | 2,674,500 | [1] | $ 2,730,000 | € 2,500,000 |  |  |  |  |  |
Percentage of ownership interest, equity method investment |  |  |  |  |  |  |  |  | 25.00% | 25.00% |  |  |  |  |  |
Impairment on investment |  |  |  | 1,154,666 |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting interests |  |  |  |  |  |  |  |  | 25.00% | 25.00% |  |  |  |  |  |
Hangzhou Entropy Yu Equity Investment Partnership (Limited Partnership) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment | 2,082,664 | [2] |  | 2,082,664 | [2] |  | 2,189,570 | [2] |  |  | $ 2,123,757 | ¥ 15,400,000 |  |  |  |
Percentage of ownership interest, equity method investment |  |  |  |  |  |  |  |  |  |  | 99.355% | 99.355% |  |  |  |
Percentage of voting interests |  |  |  |  |  |  |  |  |  |  | 50.00% | 50.00% |  |  |  |
Hangzhou Hezhe Energy Technology Co., Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment | 372,301 | [3] |  | 372,301 | [3] |  | 367,272 | [3] |  |  |  |  |  |  | $ 275,813 | ¥ 2,000,000
Percentage of ownership interest, equity method investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% | 20.00%
Percentage of voting interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.00% | 33.00%
Able 2rent GmbH [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment | $ 90,402 | [4] |  | $ 90,402 | [4] |  | $ 94,399 | [4] |  |  |  |  | $ 109,200 | € 100,000 |  |
Percentage of ownership interest, equity method investment |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% | 50.00% |  |
[1] | On December 16, 2022, the Company invested EUR2,500,000 (approximately $2,730,000) in Antric GmbH to acquire 25% of its equity interest. The Company accounts for the investment under the equity method because the Company controls 25% of voting interests, and has the ability to exercise significant influence over Antric GmbH. For the six months ended June 30, 2023, the Company recorded impairment on investment of Antric GmbH of $1,154,666.
[2] | On September 25, 2022, the Company invested RMB15,400,000 (approximately $2,123,757) in Entropy Yu to acquire 99.355% of the partnership entity’s equity interest. The Company accounts for the investment under the equity method because the Company controls 50% of voting interests in partnership matters and material matters must be agreed upon by all partners. The Company has the ability to exercise significant influence over Entropy Yu.
[3] | On June 23, 2021, the Company invested RMB2,000,000 (approximately $275,813 in Hangzhou Hezhe to acquire 20% of its equity interest. The Company accounts for the investment under the equity method because the Company controls 33% of voting interests in board of directors, and has the ability to exercise significant influence over Hangzhou Hezhe.
[4] | On March 22, 2022, CAE invested EUR100,000 (approximately $109,200 in Able 2rent GmbH (DEU) to acquire 50% of its equity interest. The Company accounts for the investment under the equity method because it does not have control over Able 2rent GmbH (DEU) as the Company does not participate in its operation and does not serve as member of board of director.

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