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 (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 (Details)
12 Months Ended
Dec. 31, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2020
USD ($)
Financial statement amounts and balances of VIE included in the accompanying consolidated financial statements          
Prepaid expenses and other current assets ¥ 5,970,973   ¥ 16,490,369   $ 915,092
Total current assets 120,939,600   183,560,151   18,534,805
Long-term investments 44,000,000   45,726,391   6,743,295
Property and equipment, net 38,119,216   42,070,794   5,842,025
Other non-current assets 22,950,264   16,402,750   3,517,282
Total assets 575,621,032   676,089,833   88,217,783
Accrued expenses and other payables 47,020,182   47,747,054   7,206,160
Payable for business acquisition 4,642,082   19,642,082   711,430
Total current liabilities 274,883,563   264,816,284   42,127,750
Total liabilities 327,874,800   325,558,213   $ 50,249,012
Net revenues 162,167,547 $ 24,853,264 97,770,167 ¥ 1,338,592  
Net income (loss) (100,584,748) (15,415,287) (129,218,299) 850,601,505  
Net cash used in operating activities (27,873,360) (4,271,779) (57,876,559) (312,626,305)  
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          
Financial statement amounts and balances of VIE included in the accompanying consolidated financial statements          
Cash 91,118   435,122    
Prepaid expenses and other current assets 84,180   4,180    
Total current assets 175,298   439,302    
Long-term investments 75,764,719   89,605,550    
Property and equipment, net 6,167   11,972    
Other non-current assets 2,590   2,590    
Total assets 75,948,774   90,059,414    
Accrued expenses and other payables 71,562        
Payable for business acquisition 4,642,082   19,642,082    
Amounts due to related parties 57,122,000   42,000,000    
Total current liabilities 61,835,644   61,642,082    
Total liabilities 61,835,644   61,642,082    
Net income (loss) (14,304,202)   (14,456,886) (7,125,782)  
Net cash used in operating activities (466,004)   (1,441,360) (172,145)  
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