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

Consolidated Balance Sheets (Parenthetical)

v3.22.1
Consolidated Balance Sheets (Parenthetical)
Dec. 31, 2021
CNY (¥)
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
CNY (¥)
shares
Dec. 31, 2020
$ / shares
Accrued expenses and other payables of VIE without recourse to the Company ¥ 267,978,614 $ 42,051,693 ¥ 274,883,563  
Payable for business acquisition of VIE without recourse to the Company | ¥     ¥ 4,642,082  
Common shares, Par value (in dollars per share) | $ / shares   $ 0.01   $ 0.01
Common shares, authorized shares 500,000,000 500,000,000 500,000,000  
Common shares, Issued shares 63,832,534 63,832,534 63,889,448  
Common shares, Outstanding shares 62,753,840 62,753,840 62,701,002  
Treasury shares, number of common shares 585,358 585,358 585,358  
Variable Interest Entity, Primary Beneficiary | Nonrecourse        
Accrued expenses and other payables of VIE without recourse to the Company | ¥ ¥ 124,089   ¥ 71,562