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

DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS - Revenue Concentration (Details)

v3.8.0.1
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS - Revenue Concentration (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 (¥)
Significant Concentrations and Risks          
Net revenue $ 75,320,704 ¥ 490,059,099 ¥ 435,436,426 ¥ 472,385,716 ¥ 417,139,969
Net revenues | Customer concentration risk | Chinese government controlled entities          
Significant Concentrations and Risks          
Service fees   ¥ 321,400,000   ¥ 329,600,000 ¥ 301,500,000
Percentage of concentration of risk 65.60% 65.60%   69.80% 72.30%
Net revenues | Customer concentration risk | The Chinese Institute of Certified Public Accountants          
Significant Concentrations and Risks          
Net revenue   ¥ 114,232,930   ¥ 90,455,936 ¥ 76,485,306
Percentage of concentration of risk 23.30% 23.30%   19.10% 18.30%
Net revenues | Customer concentration risk | Asset Management Association of China          
Significant Concentrations and Risks          
Net revenue   ¥ 71,109,547   ¥ 87,661,832 ¥ 23,183,787
Percentage of concentration of risk 14.50% 14.50%   18.60% 5.60%
Net revenues | Customer concentration risk | China Bankers Institute          
Significant Concentrations and Risks          
Net revenue   ¥ 52,634,283   ¥ 478,136 ¥ 238,807
Percentage of concentration of risk 10.70% 10.70%   0.10% 0.10%
Net revenues | Customer concentration risk | China Banking Association          
Significant Concentrations and Risks          
Net revenue   ¥ 7,017   ¥ 55,521,062 ¥ 61,190,087
Percentage of concentration of risk 0.00% 0.00%   11.80% 14.70%
Net revenues | Customer concentration risk | Securities Association of China          
Significant Concentrations and Risks          
Net revenue         ¥ 67,045,689
Percentage of concentration of risk         16.10%