Revenue (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018 CNY (¥)	Dec. 31, 2017 CNY (¥)
Disaggregation of Revenue [Line Items]
Revenue	$ 20,081	¥ 139,804	¥ 114,175	¥ 91,408
Out of scope of ASC 606 revenue:
Leasing and management services*	7,683	53,485	71,864	232,015
Sales-type lease income*	162	1,130
Direct financing lease income*	567	3,944	4,859	7,554
Total, out of scope of ASC 606 revenue	8,412	58,559	76,723	239,569
Total revenue	28,493	198,363	190,898	330,977
Management services and technical services
Disaggregation of Revenue [Line Items]
Revenue	6,954	48,416	50,291	46,143
Brand royalty fees
Disaggregation of Revenue [Line Items]
Revenue	730	5,081	5,189	6,604
Consumable sales
Disaggregation of Revenue [Line Items]
Revenue	1,362	9,482	5,867	7,005
Medical service
Disaggregation of Revenue [Line Items]
Revenue	7,763	54,048	37,770	31,599
Medicine income
Disaggregation of Revenue [Line Items]
Revenue	$ 3,272	¥ 22,777	¥ 15,058	¥ 57

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Amount of direct financing lease revenue.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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Amount of revenue that is not accounted for under Topic 606.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Amount of sales-type lease revenue.

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