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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income (loss) | $ (35,579) | $ 11,777 | $ (65,290)
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |  |
Depreciation and amortization | 3,951 | 3,082 | 5,427
Amortization of deferred gain on sale-leaseback |  | (625) | (755)
Net loss (gain) on divestitures | 16,239 | (4,546) | (5,548)
Net loss (gain) on disposal of assets | 879 | (492) | 123
Gain on settlement of an investment interest |  |  | (481)
Impairment of long lived assets and long term investments | 3,043 | 476 |
Stock-based compensation expense | 2,982 | 3,029 | 7,602
Provision for (recovery of) doubtful accounts | (1,154) | 2,212 | 5,513
Deferred income taxes | (2,211) | 345 | 2,008
Changes in operating assets and liabilities, net of effect of iTV deconsolidation and IPTV divestiture |  |  |
Accounts receivable | 664 | 8,080 | 3,793
Inventories and deferred costs | (4,231) | 94,916 | 103,574
Other assets | 17,455 | 11,261 | 2,366
Accounts payable | 9,506 | (4,857) | (28,036)
Income taxes payable | 6,393 | 3,102 | (2,933)
Customer advances | 9,749 | 1,488 | (40,910)
Deferred revenue | (37,760) | (132,575) | (27,792)
Other liabilities | (15,544) | (38,390) | (50,843)
Net cash used in operating activities | (25,618) | (41,717) | (92,182)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Additions to property, plant and equipment | (5,445) | (9,347) | (3,449)
Purchase of intangible assets | (54) |  |
Proceeds from sale of building, net of tax payments |  |  | 123,955
Deposit received on sale of building | 0 |  |
Net proceeds from divestitures | 220 | 215 | 3,381
Proceeds from settlement of an investment interest, net |  |  | 481
Change in restricted cash | (1,129) | 5,478 | 13,260
Purchase of investment interests | (15,602) | (1,181) | (2,702)
Contribution of equity investment through a shareholder loan |  | (7,119) |
Purchase of short-term investments | (2,267) | (8,365) | (12,583)
Proceeds from sale of short-term investments | 4,300 | 9,039 | 10,815
Cash decrease due to deconsolidation of a subsidiary | (6,841) |  |
Payment on divestiture of IPTV business and investment in IPTV convertible bond | (56,010) |  |
Other | 80 | 519 | 335
Net cash provided by (used in) investing activities | (82,748) | (10,761) | 133,493
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Issuance of ordinary shares, net of issuance cost |  |  | 34,594
Issuance of ordinary shares upon ESPP purchases and option exercises |  | 124 |
Repurchase of ordinary shares | (8,842) | (6,301) | (67)
Net cash provided by (used in) financing activities | (8,842) | (6,177) | 34,527
Effect of exchange rate changes on cash and cash equivalents | (4,834) | 8,774 | 9,826
Net increase (decrease) in cash and cash equivalents | (122,042) | (49,881) | 85,664
Cash and cash equivalents at beginning of year | 301,626 | 351,507 | 265,843
Cash and cash equivalents at end of year | 179,584 | 301,626 | 351,507
Cash paid: |  |  |
Interest | 240 | 252 | 279
Income taxes | 3,000 | 530 | 6,395
Non-cash operating activities Accounts receivable transferred to notes receivable |  |  | 580
Non-cash investing activities |  |  |
Issuance of ordinary shares for acquisition of iTV |  |  | 9,841
Repurchase of ordinary shares from iTV shareholder | (5,278) |  |
Net assets acquired, other than cash, from acquisition of iTV |  |  | 17,380
Accrual related to purchase of property, plant and equipment | $ 1,911 | $ (2,475) |

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