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Additional Information-Condensed Financial Statements of Weibo Corporation (Tables) - Weibo Corporation | 12 Months Ended
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Dec. 31, 2016
Balance sheets |
Balance Sheets | (In thousands, except for par value)
|  | As of December 31, |
|  | 2015 |  | 2016 |
ASSETS |  |  |  |  |
Current assets: |  |  |  |  |
Cash and cash equivalents |  | $ | 60,810 |  | $ | 7,235 |
Short-term investments |  | 98,284 |  | 30,401 |
Prepaid expenses and other current assets |  | 5,905 |  | 5,682 |
Total current assets |  | 164,999 |  | 43,318 |
Long-term investments |  | 256,059 |  | 349,502 |
Investment in subsidiaries, VIE and VIE’s subsidiaries |  | 210,325 |  | 367,114 |
Amount due from SINA |  | 1,002 |  | 89 |
Total assets |  | $ | 632,385 |  | $ | 760,023 |
LIABILITIES AND SHAREHOLDERS’ EQUITY |  |  |  |  |
Accrued and other liabilities |  | $ | 10,666 |  | $ | 6,132 |
Long-term Liabilities |  | 1,047 |  | 666 |
Total liabilities |  | $ | 11,713 |  | $ | 6,798 |
Commitments and contingencies |  |  |  |  |
Shareholders’ equity: |  |  |  |  |
Shareholders’ equity: |  |  |  |  |
Ordinary shares: $0.00025 par value; 2,400,000 and 2,400,000 shares (including 1,800,000 Class A ordinary shares, 200,000 Class B ordinary shares and 400,000 shares to be designated)authorized; 212,177 and 218,076 shares (including 109,155 Class A ordinary shares and 108,921 Class B ordinary shares) issued and outstanding as of December 31, 2015 and 2016, respectively. |  | $ | 53 |  | $ | 55 |
Additional paid-in capital |  | 938,922 |  | 979,805 |
Accumulated other comprehensive loss |  | (10,635 | ) | (26,994 | )
Accumulated deficit |  | (307,668 | ) | (199,641 | )
Total shareholders’ equity |  | 620,672 |  | 753,225 |
Total liabilities and shareholders’ equity |  | $ | 632,385 |  | $ | 760,023 |
Statements of Comprehensive Income (Loss) | (In thousands)
|  | Year Ended December 31, |
|  | 2014 |  | 2015 |  | 2016 |
Operating loss |  | $ | (1,086 | ) | $ | (1,279 | ) | $ | (1,891 | )
Interest and other income (expenses), net |  | 5,034 |  | 4,759 |  | 1,763 |
Investment related impairment |  | — |  | — |  | (23,822 | )
Change in fair value of investor option liability |  | (46,972 | ) | — |  | — |
Other income (loss), net |  |  |  |  |  |  |
Share of income (loss) of subsidiaries, VIE, and VIE’s subsidiaries |  | (22,301 | ) | 31,265 |  | 131,977 |
Net income (loss) attributable to Weibo |  | (65,325 | ) | 34,745 |  | 108,027 |
Other comprehensive loss |  |  |  |  |  |  |
Currency translation adjustments(net of tax of nil, nil, and nil for 2014, 2015 and 2016, respectively) |  | (1,227 | ) | (7,601 | ) | (18,624 | )
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) |  | (2,067 | ) | (198 | ) | (2,557 | )
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 |  | (2,067 | ) | (198 | ) | 2,265 |
Total comprehensive income (loss) |  | $ | (68,619 | ) | $ | 26,946 |  | $ | 91,668 |
Statements of Cash flow | (In thousands)
|  | 2014 |  | 2015 |  | 2016 |
Net cash provided by (used in) operating activities |  | $ | (627 | ) | $ | 5,317 |  | $ | 1,025 |
Purchase of short-term investments |  | (230,161 | ) | (148,863 | ) | (30,046 | )
Maturity of short-term investments |  | 321,208 |  | 218,762 |  | 97,798 |
Investments and prepayments on equity investments |  | (15,096 | ) | (247,200 | ) | (120,000 | )
Investment in subsidiaries |  | (68,873 | ) | (4,978 | ) | (6,535 | )
Net cash provided by (used in) investing activities |  | 7,078 |  | (182,279 | ) | (58,783 | )
Proceeds from IPO, net of commission |  | 301,270 |  | — |  | — |
Repayment of amount due to SINA |  | (255,688 | ) | — |  | — |
Proceeds from employees options exercised |  | 1,508 |  | 7,822 |  | 4,183 |
Others |  | (6,462 | ) | — |  | — |
Net cash provided by financing activities |  | 40,628 |  | 7,822 |  | 4,183 |
Net increase (decrease) in cash and cash equivalents |  | $ | 47,079 |  | $ | (169,140 | ) | $ | (53,575 | )
Cash and cash equivalents at the beginning of year |  | $ | 182,871 |  | $ | 229,950 |  | $ | 60,810 |
Cash and cash equivalents at the end of year |  | $ | 229,950 |  | $ | 60,810 |  | $ | 7,235 |
Supplemental schedule of non-cash investing and financing activities |  |  |  |  |  |  |
Investment in subsidiaries and VIE directly financed by SINA |  | $ | 6,413 |  | $ | 17,582 |  | $ | 18,277 |

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