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

FAIR VALUE MEASUREMENT - Roll-forward of fair value of Level 3 (Details)

v3.19.1
FAIR VALUE MEASUREMENT - Roll-forward of fair value of Level 3 (Details) - CNY (¥)
9 Months Ended 12 Months Ended 21 Months Ended
Dec. 31, 2017
Dec. 31, 2018
Mar. 31, 2017
Dec. 31, 2018
Roll-forward of the fair value of Level 3 (significant unobservable inputs) assets        
Total gain or losses included in net (loss) income     ¥ 568,320  
Reclassification adjustment for loss on available-for-sale investment included in net income, net of nil income tax ¥ 553,870      
Income tax on reclassification adjustment for loss on available-for-sale investment 0 ¥ 0 0  
Available-for-sale investment        
Roll-forward of the fair value of Level 3 (significant unobservable inputs) assets        
Beginning balance 10,376,547   1,938,360 ¥ 10,376,547
Purchases     7,957,440  
Total gain or losses included in net (loss) income (10,458,538)   568,320  
Total gain or losses included in other comprehensive income (loss)     (553,870)  
Reclassification adjustment for loss on available-for-sale investment included in net income, net of nil income tax 553,870      
Foreign currency translation adjustment ¥ (471,879)   466,297  
Ending balance     ¥ 10,376,547  
Income tax on reclassification adjustment for loss on available-for-sale investment       ¥ 0