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

Fair Value Measurement - Schedule of Fair Value Hierarchy of Assets That Are Measured at Fair Value on Non-recurring Basis (Details)

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Fair Value Measurement - Schedule of Fair Value Hierarchy of Assets That Are Measured at Fair Value on Non-recurring Basis (Details) - CNY (¥)
Dec. 31, 2019
Dec. 31, 2018
Fair Value Measurement    
Other equity investments ¥ 45,726,391 ¥ 66,390,898
ApplySquare Education & Technology Co., Ltd. ("ApplySquare")    
Fair Value Measurement    
Other equity investments 1,576,391 22,471,700
ApplySquare Education & Technology Co., Ltd. ("ApplySquare") | Fair Value, Nonrecurring    
Fair Value Measurement    
Other equity investments 1,576,391 22,471,700
ApplySquare Education & Technology Co., Ltd. ("ApplySquare") | Level 3 | Fair Value, Nonrecurring    
Fair Value Measurement    
Other equity investments ¥ 1,576,391 22,471,700
Beijing GlobalWisdom Information Technology Co., Ltd. ("GlobalWisdom")    
Fair Value Measurement    
Other equity investments   5,919,198
Beijing GlobalWisdom Information Technology Co., Ltd. ("GlobalWisdom") | Fair Value, Nonrecurring    
Fair Value Measurement    
Other equity investments   5,919,198
Beijing GlobalWisdom Information Technology Co., Ltd. ("GlobalWisdom") | Level 3 | Fair Value, Nonrecurring    
Fair Value Measurement    
Other equity investments   ¥ 5,919,198