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

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Employee benefit plans (Details)

v3.19.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Employee benefit plans (Details) - CNY (¥)
 9 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2018
Mar. 31, 2017
Employee benefit plans      
Expense due to employee benefit plans ¥ 3,520,114 ¥ 5,613,312 ¥ 3,708,819
Cost of revenues      
Employee benefit plans      
Expense due to employee benefit plans 78,381 79,280 163,981
Research and development      
Employee benefit plans      
Expense due to employee benefit plans 2,296,392 3,232,457 2,234,308
Sales and marketing      
Employee benefit plans      
Expense due to employee benefit plans 334,628 771,479 233,790
General and administrative      
Employee benefit plans      
Expense due to employee benefit plans ¥ 810,713 ¥ 1,530,096 ¥ 1,076,740