Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Description of Business, Organization and Significant Concentrations and Risk - VIE Assets and Liabilities, Net Revenues, Net Loss and Cash Flows (Parenthetical) (Details)

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Description of Business, Organization and Significant Concentrations and Risk - VIE Assets and Liabilities, Net Revenues, Net Loss and Cash Flows (Parenthetical) (Details)
12 Months Ended
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2019
CNY (¥)
Variable Interest Entity        
Net cash received from financing activities ¥ 827,516 $ 129,855 ¥ 6,303,594 ¥ 57,566,469
ATA Intelligent Learning        
Variable Interest Entity        
Net cash received from financing activities 5,645,353   15,122,000 54,000,000
ATA Intelligent Learning | Eliminations        
Variable Interest Entity        
Net cash received from financing activities ¥ 5,645,353   ¥ 15,122,000 ¥ 54,000,000
ATA Intelligent Learning | Huanqiuyimeng | Eliminations        
Variable Interest Entity        
Percentage of equity interest 30.96%   30.96%  
Equity interest investment ¥ 62,722,195   ¥ 69,764,719