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

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets and Goodwill (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets and Goodwill (Details) - CNY (¥)
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Intangible assets      
Intangible assets with indefinite useful lives ¥ 0    
Development costs capitalized 13,900,058 ¥ 1,722,700  
Impairment of long-lived assets, excluding goodwill      
Impairment loss of intangible assets 0 0 ¥ 310,153
Goodwill      
Impairment loss of goodwill ¥ 0 ¥ 0 ¥ 0
Minimum      
Intangible assets      
Estimated useful lives 5 years    
Maximum      
Intangible assets      
Estimated useful lives 12 years