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

Segment Information - Summary of Selected Financial Information Relating to Group's Segments (Details)

v3.23.1
Segment Information - Summary of Selected Financial Information Relating to Group's Segments (Details)
 12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Segment Reporting Information [Line Items]        
Net revenues ¥ 206,820,874 $ 29,986,208 ¥ 202,209,465 ¥ 162,167,547
Operating cost and expenses:        
Cost of revenues 104,315,856 15,124,377 97,413,915 98,521,027
Research and development 6,790,791 984,572 11,801,545 8,832,488
Selling and marketing 75,265,726 10,912,504 66,149,460 53,500,051
Unallocated corporate expenses 77,051,580   93,256,046 100,097,849
Impairment loss of intangible assets and other non-current assets       3,120,425
Provision for loan receivable and other receivables       5,904,305
Total operating cost and expenses 263,423,953   268,620,966 269,976,145
Other operating income, net 16,515 2,394 22,018 330,224
Loss from operations (56,586,564) (8,204,280) (66,389,483) (107,478,374)
Unallocated other income, net 2,070,949   28,439,789 (3,375,210)
Loss before income taxes (54,515,615) $ (7,904,021) (37,949,694) (110,853,584)
Overseas art study services        
Segment Reporting Information [Line Items]        
Net revenues 181,833,076   181,035,267 138,703,946
Operating cost and expenses:        
Cost of revenues 92,389,567   81,964,815 83,972,820
Research and development 5,903,055   4,176,398 1,834,597
Selling and marketing 69,398,473   60,436,932 49,804,055
Total operating cost and expenses 167,691,095   146,578,145 135,611,472
Other operating income, net       167,016
Loss from operations 14,141,981   34,457,122 3,259,490
Other Educational Services        
Segment Reporting Information [Line Items]        
Net revenues 24,657,609   21,174,198 20,025,679
Operating cost and expenses:        
Cost of revenues 11,552,359   14,154,713 9,954,371
Research and development     3,148,402 150,622
Selling and marketing 5,736,053   5,598,532 3,266,430
Total operating cost and expenses 17,288,412   22,901,647 13,371,423
Other operating income, net       94,340
Loss from operations 7,369,197   (1,727,449) 6,748,596
Others        
Segment Reporting Information [Line Items]        
Net revenues 330,189     3,437,922
Operating cost and expenses:        
Cost of revenues 373,930   1,294,387 4,593,836
Research and development 887,736   4,476,745 6,847,269
Selling and marketing 131,200   113,996 429,566
Impairment loss of intangible assets and other non-current assets       3,120,425
Provision for loan receivable and other receivables       5,904,305
Total operating cost and expenses 1,392,866   5,885,128 20,895,401
Other operating income, net 16,515   22,018 68,868
Loss from operations ¥ (1,046,162)   ¥ (5,863,110) ¥ (17,388,611)