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SEGMENT REPORTING (Schedule of Segment Information) (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 CNY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2017 USD ($)
Segment reporting [Line Items] |  |  |  |  |
Revenues from external customers | ¥ 330,977 | $ 50,870 | ¥ 455,042 | ¥ 616,485 |
Cost of sales | (232,979) | (35,807) | (286,543) | (353,336) |
Gross profit (loss) | 97,998 | $ 15,063 | 168,499 | 263,149 |
Total assets | 3,465,390 |  | 3,228,603 |  | $ 532,622
Network [Member] |  |  |  |  |
Segment reporting [Line Items] |  |  |  |  |
Revenues from external customers | 299,321 |  | 443,601 | 597,746 |
Cost of sales | (166,407) |  | (247,510) | (321,285) |
Gross profit (loss) | 132,914 |  | 196,091 | 276,461 |
Hospital [Member] |  |  |  |  |
Segment reporting [Line Items] |  |  |  |  |
Revenues from external customers | 31,656 |  | 11,441 | 18,739 |
Cost of sales | (66,572) |  | (39,033) | (32,051) |
Gross profit (loss) | (34,916) |  | (27,592) | ¥ (13,312) |
Operation segment [Member] |  |  |  |  |
Segment reporting [Line Items] |  |  |  |  |
Total assets | 3,465,390 |  | 3,228,603 |  | 532,622
Operation segment [Member] | Network [Member] |  |  |  |  |
Segment reporting [Line Items] |  |  |  |  |
Total assets | 2,113,756 |  | 2,227,718 |  | 324,878
Operation segment [Member] | Hospital [Member] |  |  |  |  |
Segment reporting [Line Items] |  |  |  |  |
Total assets | ¥ 1,351,634 |  | ¥ 1,000,885 |  | $ 207,744

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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