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v3.3.1.900

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Cash flows from operating activities: |  |  |
Net income (loss) including noncontrolling interests in operating subsidiaries | $ (157,478) | $ (66,662) | $ (58,842)
Adjustments to reconcile net income (loss) including noncontrolling interests in operating subsidiaries to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 53,289 | 54,049 | 49,275
Non-cash stock compensation | 11,048 | 18,115 | 27,894
Excess tax benefits from stock-based compensation | 0 | 0 | 1,398
Provision for deferred income taxes | 0 | (1,736) | (26,746)
Impairment of Patent-Related Intangible Assets | 74,731 | 3,497 | 4,619
Impairment of Goodwill | 30,149 | 0 | 0
Other | (109) | (28) | 12
Changes in assets and liabilities: |  |  |
Increase (Decrease) in Restricted Cash | (10,725) | 0 | 0
Accounts receivable | (13,332) | (13,827) | 3,502
Prepaid expenses and other assets | (619) | 3,154 | (5,300)
Accounts payable and accrued expenses / costs | 2,570 | 3,718 | 2,740
Royalties and contingent legal fees payable | 527 | 3,904 | (2,061)
Net cash provided by (used in) operating activities | (9,949) | 4,184 | (3,509)
Cash flows from investing activities: |  |  |
Purchase of property and equipment | (8) | (109) | (675)
Purchase of available-for-sale investments | (23,296) | (109,963) | (279,693)
Sale of available-for-sale investments | 82,115 | 182,115 | 239,370
Patent acquisition costs | (19,504) | (42,746) | (25,061)
Net cash provided by (used in) investing activities | 39,307 | 29,297 | (66,059)
Cash flows from financing activities: |  |  |
Payments of Dividends | (25,434) | (25,039) | (18,633)
Distributions to noncontrolling interests in operating subsidiary | (4,105) | (867) | 0
Proceeds from the exercise of stock options | 938 | 206 | 486
Repurchases of common stock | 0 | 0 | (7,926)
Contributions from noncontrolling interests in operating subsidiary, net of issuance costs | 0 | 0 | 1,920
Excess tax benefits from stock-based compensation | 0 | 0 | (1,398)
Net cash provided by (used in) financing activities | (28,601) | (25,700) | (25,551)
Increase in cash and cash equivalents | 757 | 7,781 | (95,119)
Cash and cash equivalents, beginning | 134,466 | 126,685 | 221,804
Cash and cash equivalents, ending | 135,223 | 134,466 | 126,685
Patent acquisition costs included in accrued expenses | $ 1,000 | $ 16,700 | $ 4,000

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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 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 2: 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=35736750&loc=SL4591552-111686 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&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=35736750&loc=SL4591551-111686 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318 + Details
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