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

LONG-TERM INVESTMENTS - Equity Method Investments (Details)

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LONG-TERM INVESTMENTS - Equity Method Investments (Details)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2017
CNY (¥)
Jun. 30, 2017
CNY (¥)
Sep. 30, 2015
USD ($)
item
$ / shares
shares
Aug. 31, 2014
CNY (¥)
Dec. 31, 2017
CNY (¥)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
CNY (¥)
Mar. 31, 2017
CNY (¥)
Mar. 31, 2016
CNY (¥)
Equity method investments                  
Equity method investments               ¥ 8,893,440  
Share of loss recognized           $ 288,670 ¥ 1,878,172 16,121,334 ¥ 8,829,140
Beijing Zhishang Education Technology Ltd. ("Zhishang")                  
Equity method investments                  
Equity method investments               2,740,234  
Brilent Inc. ("Brilent")                  
Equity method investments                  
Equity method investments ¥ 0       ¥ 0   0    
Share of loss recognized             1,395,234 2,837,834 550,907
Impairment loss         ¥ 4,757,972        
ATA Online | Beijing Zhishang Education Technology Ltd. ("Zhishang")                  
Equity method investments                  
Percentage of equity interest       45.00%          
Cash consideration       ¥ 13,500,000          
Share of loss recognized             ¥ 482,938 ¥ 4,961,519 ¥ 4,694,972
Percentage of equity interest sold out 30.00% 15.00%              
Proceed from sale of equity interest ¥ 3,350,000 ¥ 1,253,550              
Gain recognized from disposal of long-term investment ¥ 1,889,018 ¥ 457,236              
ATA BVI | Brilent Inc. ("Brilent")                  
Equity method investments                  
Percentage of equity interest     15.47%            
Number of board seat held | item     1            
Total number of board seat | item     6            
ATA BVI | Brilent Inc. ("Brilent") | Preferred Shares                  
Equity method investments                  
Number of shares purchased | shares     2,156,721            
Purchase price (USD per share) | $ / shares     $ 0.6955            
Total consideration | $     $ 1,500,000