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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Advertising and marketing revenues |  |  |
Third parties | $ 428,275 | $ 207,657 | $ 129,644
Total advertising and marketing revenues | 570,982 | 402,415 | 264,782
Other revenues | 84,818 | 75,476 | 69,390
Total revenues | 655,800 | 477,891 | 334,172
Costs and Expenses |  |  |
Cost of revenues | 171,231 | 141,960 | 83,599
Sales and marketing | 148,283 | 126,059 | 120,361
Product development | 154,088 | 143,444 | 125,832
General and administrative | 41,218 | 28,925 | 26,483
Total costs and expenses | 514,820 | 440,388 | 356,275
Income (loss) from operations | 140,980 | 37,503 | (22,103)
Loss from equity method investments | (130) | (6) | (5)
Realized gain from investments | 534 | 944 | 481
Investment related impairment | (40,161) | (8,005) | (2,521)
Interest and other income, net (including interest expense on amount due to SINA of $2,838, nil, and nil for 2014, 2015 and 2016, respectively) | 8,757 | 6,344 | 6,780
Change in fair value of investor option liability (Note 15) |  |  | (46,972)
Income (loss) before income tax expenses | 109,980 | 36,780 | (64,340)
Provision of income taxes | 4,316 | 2,591 | 1,128
Net income (loss) | 105,664 | 34,189 | (65,468)
Less: Net loss attributable to non-controlling interests | (2,363) | (556) | (143)
Net income (loss) attributable to Weibo | 108,027 | 34,745 | (65,325)
Other comprehensive loss |  |  |
Currency translation adjustments (net of tax of nil, nil, and nil for 2014, 2015 and 2016 respectively) | (18,898) | (7,874) | (1,450)
Available-for-Sale securities: |  |  |
Change in unrealized loss from available-for-sale securities (net of tax of nil, nil, and nil for 2014, 2015, and 2016, respectively) | (2,557) | (198) | (2,067)
Reclassification adjustment for net loss included in net income (loss) (net of tax of nil, nil, and nil for 2014, 2015, and 2016, respectively) | 4,822 |  |
Net change, net of tax | 2,265 | (198) | (2,067)
Total comprehensive income (loss) | 89,031 | 26,117 | (68,985)
Less: Comprehensive loss attributable to non-controlling interests | (2,637) | (829) | (366)
Comprehensive income (loss) attributable to Weibo | $ 91,668 | $ 26,946 | $ (68,619)
Shares used in computing net income (loss) per share attributable to Weibo: |  |  |
Basic (in shares) | 214,745 | 208,163 | 186,878
Diluted (in shares) | 222,859 | 217,918 | 186,878
Income (loss) per share: |  |  |
Basic (in dollars per share) | $ 0.50 | $ 0.17 | $ (0.35)
Diluted (in dollars per share) | $ 0.48 | $ 0.16 | $ (0.35)
Alibaba |  |  |
Advertising and marketing revenues |  |  |
Related party | $ 57,908 | $ 143,650 | $ 107,587
SINA and other related parties |  |  |
Advertising and marketing revenues |  |  |
Related party | $ 84,799 | $ 51,108 | $ 27,551

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- Definition Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a),(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8B -URI http://asc.fasb.org/extlink&oid=73527792&loc=SL6284393-111563 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 + Details
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- Definition The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3(a)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 325 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6485959&loc=d3e22529-158502 + Details
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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