XML 113 R91.htm IDEA: XBRL DOCUMENT v3.25.1
Share-based Compensation - Additional Information (Detail)
12 Months Ended
Dec. 09, 2016
¥ / shares
shares
Dec. 09, 2016
$ / shares
shares
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Share-based compensation            
Share-based compensation expense     ¥ 2,257,795 $ 309,317 ¥ 4,935,782 ¥ 24,053,760
Total intrinsic value of options exercised     3,938,396 539,558 3,056,001 2,023,265
Total fair value of shares vested     2,257,960 $ 309,339 29,797,645 ¥ 50,943,916
2016 Plan            
Share-based compensation            
Options expiration period 10 years 10 years        
Total intrinsic value of options exercised | ¥     ¥ 3,938,396   ¥ 3,601,562  
Shares reserved for issuance | shares 1,000,000 1,000,000        
Exercise price, options per share. | (per share) ¥ 0.0006 $ 0.0001        
2016 Plan | Minimum            
Share-based compensation            
Options vesting period 3 years 3 years        
2016 Plan | Maximum            
Share-based compensation            
Options vesting period 5 years 5 years