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

Description of Business, Organization and Significant Concentrations and Risks - Country Risk and Cash Concentration (Details)

v3.21.1
Description of Business, Organization and Significant Concentrations and Risks - Country Risk and Cash Concentration (Details)
Dec. 31, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Significant Concentrations and Risks      
Cash and cash equivalents balances ¥ 112,723,433 $ 17,275,622 ¥ 154,197,758
Cash and cash equivalents | Credit concentration risk, customers or financial institutions      
Significant Concentrations and Risks      
Cash and cash equivalents balances 112,723,433   154,186,801
Cash and cash equivalents | Credit concentration risk, customers or financial institutions | PRC      
Significant Concentrations and Risks      
Cash and cash equivalents balances 97,910,745   59,517,386
Cash and cash equivalents | Credit concentration risk, customers or financial institutions | PRC | Denominated in Renminbi ("RMB")      
Significant Concentrations and Risks      
Cash and cash equivalents balances 85,103,159   47,224,436
Cash and cash equivalents | Credit concentration risk, customers or financial institutions | PRC | Denominated in U.S. Dollar ("USD")      
Significant Concentrations and Risks      
Cash and cash equivalents balances 12,807,586   12,292,950
Cash and cash equivalents | Credit concentration risk, customers or financial institutions | HKSAR      
Significant Concentrations and Risks      
Cash and cash equivalents balances 14,812,688   94,669,415
Cash and cash equivalents | Credit concentration risk, customers or financial institutions | HKSAR | Denominated in U.S. Dollar ("USD")      
Significant Concentrations and Risks      
Cash and cash equivalents balances 13,314,551   91,793,594
Cash and cash equivalents | Credit concentration risk, customers or financial institutions | HKSAR | Denominated in Hong Kong Dollar ("HKD")      
Significant Concentrations and Risks      
Cash and cash equivalents balances 1,498,135   2,875,819
Cash and cash equivalents | Credit concentration risk, customers or financial institutions | HKSAR | Denominated in Great Britain Pound      
Significant Concentrations and Risks      
Cash and cash equivalents balances ¥ 2   ¥ 2