Subsequent Events	12 Months Ended
Dec. 31, 2023
Subsequent Events [Abstract]
Subsequent events	Note 22 – Subsequent events On January 11, 2024, the Company issued the 400,000 shares of its common stock to Beijing Hehe and the transaction is completed. Up to the date of the consolidated financial statements were issued, the Company owns 73.3333% of the total equity interest of SH Xianzhui. On February 15, 2024 and March 19, 2024, holders of 513,841 of the November 2023 Pre-Funded Warrants exercised their option to purchase 513,841 shares of the Company’s common stock, leaving 398,662 of November 2023 Pre-Funded Warrants still outstanding. In March 2024, the Company entered into a placement agency agreement (the “March 2024 Placement Agency Agreement”), with Univest, pursuant to which, Univest agrees to use its reasonable best efforts to sell the Company’s common stock in a registered direct offering and a concurrent private placement (the “March 2024 Offering”). Univest has no obligation to buy any of the securities from the Company or to arrange for the purchase or sale of any specific number or dollar amount of securities. Pursuant to the March 2024 Offering, an aggregate of 810,277 shares of common stock of the Company, par value $0.0001 per share, were sold to certain purchasers (the “March 2024 Offering Purchasers”), pursuant to a securities purchase agreement, dated March 22, 2024 (the “March 2024 Securities Purchase Agreement”) at a price of $1.144 per common stock, for aggregated proceeds of approximately $0.9 million. The Company paid Univest a cash fee equal to 4.0% of the aggregate gross proceeds raised in the March 2024 Offering. The Company also issued warrants to Univest to purchase up to 40,514 shares of common stock of the Company at an exercise price of $1.373 per share, (the “March 2024 Placement Agent Warrants”). The March 2024 Placement Agent Warrants and the common stock underlying the March 2024 Placement Agent Warrants were not registered under the Securities Act, pursuant to the registration statement of March 2024 Offering. The March 2024 Placement Agent Warrants were issued pursuant to an exemption from the registration requirements of the Securities Act provided in Section 4(a)(2) of the Securities Act and/or Regulation D promulgated thereunder. On March 26, 2024, holders of 865,376 November 2023 Registered Warrants exercised their options to purchase 709,877 shares of the Company’s common stock.

Subsequent Events

12 Months Ended

Dec. 31, 2023

Note 22 – Subsequent events

On January 11, 2024, the Company issued the 400,000 shares of its common stock to Beijing Hehe and the transaction is completed. Up to the date of the consolidated financial statements were issued, the Company owns 73.3333% of the total equity interest of SH Xianzhui.

On February 15, 2024 and March 19, 2024, holders of 513,841 of the November 2023 Pre-Funded Warrants exercised their option to purchase 513,841 shares of the Company’s common stock, leaving 398,662 of November 2023 Pre-Funded Warrants still outstanding.

In March 2024, the Company entered into a placement agency agreement (the “March 2024 Placement Agency Agreement”), with Univest, pursuant to which, Univest agrees to use its reasonable best efforts to sell the Company’s common stock in a registered direct offering and a concurrent private placement (the “March 2024 Offering”). Univest has no obligation to buy any of the securities from the Company or to arrange for the purchase or sale of any specific number or dollar amount of securities.

Pursuant to the March 2024 Offering, an aggregate of 810,277 shares of common stock of the Company, par value $0.0001 per share, were sold to certain purchasers (the “March 2024 Offering Purchasers”), pursuant to a securities purchase agreement, dated March 22, 2024 (the “March 2024 Securities Purchase Agreement”) at a price of $1.144 per common stock, for aggregated proceeds of approximately $0.9 million. The Company paid Univest a cash fee equal to 4.0% of the aggregate gross proceeds raised in the March 2024 Offering. The Company also issued warrants to Univest to purchase up to 40,514 shares of common stock of the Company at an exercise price of $1.373 per share, (the “March 2024 Placement Agent Warrants”). The March 2024 Placement Agent Warrants and the common stock underlying the March 2024 Placement Agent Warrants were not registered under the Securities Act, pursuant to the registration statement of March 2024 Offering. The March 2024 Placement Agent Warrants were issued pursuant to an exemption from the registration requirements of the Securities Act provided in Section 4(a)(2) of the Securities Act and/or Regulation D promulgated thereunder.

On March 26, 2024, holders of 865,376 November 2023 Registered Warrants exercised their options to purchase 709,877 shares of the Company’s common stock.