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)

v3.21.1
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, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
Variable Interest Entity        
Net cash used in investing activities ¥ (19,090,428) $ (2,925,736) ¥ (36,945,321) ¥ 1,201,735,714
Net cash received from financing activities 6,303,594 $ 966,068 57,566,469 (949,893,989)
ATA Intelligent Learning        
Variable Interest Entity        
Net cash used in investing activities (15,000,000)   (77,492,873) (12,458,500)
Net cash received from financing activities 15,122,000   54,000,000 38,000,000
ATA Intelligent Learning | Eliminations        
Variable Interest Entity        
Net cash used in investing activities       12,450,000
Net cash received from financing activities ¥ 15,122,000   ¥ 54,000,000 ¥ 38,000,000
ATA Intelligent Learning | Huanqiuyimeng | Eliminations        
Variable Interest Entity        
Percentage of equity interest 30.96% 30.96% 30.96%