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Goodwill (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2014 CNY (¥) | Dec. 31, 2013 CNY (¥)
Goodwill |  |  |  |  |  |  |
Balance at beginning of the year |  |  | ¥ 300,382 | ¥ 1,577 |  |  |
Acquisition |  |  | 161,326 | ¥ 298,802 |  |  |
Impairment charges | $ (47,875) | [1] | (310,124) |  | [1] |  | [1]
Foreign exchange |  |  | 54 | ¥ 3 |  |  |
Balance at end of the year | $ 23,409 |  | 151,638 | 300,382 |  | ¥ 1,577 |
YY IVAS and others [Member] |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Balance at beginning of the year |  |  | 4,107 | 1,577 |  |  |
Acquisition |  |  | 161,326 | 2,527 |  |  |
Impairment charges |  |  | (128,034) |  |  |  |
Foreign exchange |  |  | 54 | 3 |  |  |
Balance at end of the year |  |  | 37,452 | ¥ 4,107 |  | ¥ 1,577 |
100 Education [Member] |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Balance at beginning of the year |  |  | ¥ 296,275 |  |  |  |
Acquisition |  |  |  | ¥ 296,275 |  |  |
Impairment charges |  |  | ¥ (182,090) |  |  |  |
Foreign exchange |  |  |  |  |  |  |
Balance at end of the year |  |  | ¥ 114,186 | ¥ 296,275 |  |  |
[1] | (1) Share-based compensation was allocated in cost of revenues and operating expenses as follows: For the year ended December 31, Note 2013 2014 2015 2015 RMB RMB RMB US$ (Note2(e)) Cost of revenues 9,860 18,037 23,963 3,699 Research and development expenses 39,587 54,141 70,951 10,953 Sales and marketing expenses 1,318 2,807 3,283 507 General and administrative expenses 66,331 59,647 87,175 13,458

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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