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

INCOME TAXES - Reconciliation of Actual Income Tax Expense Percent and the PRC Statutory Tax Rate (Details)

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INCOME TAXES - Reconciliation of Actual Income Tax Expense Percent and the PRC Statutory Tax Rate (Details)
9 Months Ended 12 Months Ended
Dec. 31, 2017
USD ($)
Dec. 31, 2017
CNY (¥)
Dec. 31, 2016
CNY (¥)
Mar. 31, 2017
CNY (¥)
Mar. 31, 2016
CNY (¥)
INCOME TAXES          
PRC statutory income tax rate (as a percent) 25.00% 25.00%   25.00% 25.00%
Difference between actual income tax expense and amount computed by applying the PRC statutory income tax rate to earnings (loss) before income taxes          
Computed "expected" income tax expense   ¥ 14,311,332   ¥ 7,156,895 ¥ 11,243,167
Increase in valuation allowance   12,376,506   21,150,760 16,146,033
Preferential income tax rate   (13,093,467)   (12,853,725) (7,911,837)
Entities not subject to income tax   6,914,869   1,868,266 3,502,469
Non-deductible expenses          
Entertainment   715,053   662,669 792,099
Share-based compensation   3,783,912   1,739,601 2,291,206
Bad debt loss   340,877   173,615 (31,963)
Tax rate differential         (3,974,403)
Additional deduction of research and development costs   (4,568,576)   (4,856,620) (4,900,698)
Withholding tax related to undistributed earnings   9,476,875   22,620,872  
Other   (849,132)   934,653 1,765,406
Total income tax expense $ 4,519,965 ¥ 29,408,249 ¥ 21,995,839 ¥ 38,596,986 ¥ 18,921,479