Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Net Revenues - Schedule of Net Revenues (Details)	9 Months Ended	12 Months Ended
Net Revenues - Schedule of Net Revenues (Details)	Dec. 31, 2017 CNY (¥)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 CNY (¥)	Dec. 31, 2017 CNY (¥)
NET REVENUES
Net revenues	¥ 5,185,822	¥ 97,770,167	$ 14,043,806	¥ 1,338,592	¥ 7,389,371
Portfolio training services
NET REVENUES
Net revenues		63,828,907
Educational travel services
NET REVENUES
Net revenues		10,456,269
Overseas study counselling services
NET REVENUES
Net revenues		8,091,551
Other educational services segment
NET REVENUES
Net revenues		9,045,411
K12 education assessment and other services
NET REVENUES
Net revenues	¥ 5,185,822	¥ 6,348,029		¥ 1,338,592