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v3.8.0.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash flows from operating activities: |  |  |
Net income (loss) including noncontrolling interests in operating subsidiaries | $ 21,684,000 | $ (54,799,000) | $ (157,478,000)
Adjustments to reconcile net income (loss) including noncontrolling interests in operating subsidiaries to net cash provided by (used in) operating activities: |  |  |
Gain on Conversion of Loan and Accrued Interest | (2,671,000) | 0 | 0
Gain on exercise of Primary Warrant | (4,616,000) | 0 | 0
Change in fair value of investment | (42,239,000) | 0 | 0
Depreciation and amortization | 22,243,000 | 34,355,000 | 53,289,000
Non-cash stock compensation | 8,885,000 | 9,062,000 | 11,048,000
Impairment of Patent-Related Intangible Assets | 2,248,000 | 42,340,000 | 74,731,000
Impairment of Goodwill | 0 | 0 | 30,149,000
Other | (374,000) | (477,000) | (109,000)
Changes in assets and liabilities: |  |  |
Increase (Decrease) in Restricted Cash | 11,512,000 | (787,000) | (10,725,000)
Accounts receivable | 26,597,000 | 6,750,000 | (13,332,000)
Prepaid expenses and other assets | (135,000) | 1,593,000 | (619,000)
Accounts payable and accrued expenses / costs | (6,349,000) | (3,006,000) | 2,570,000
Royalties and contingent legal fees payable | (12,307,000) | (970,000) | 527,000
Net cash provided by (used in) operating activities | 24,478,000 | 34,061,000 | (9,949,000)
Cash flows from investing activities: |  |  |
Payments to Acquire Other Investments | (31,514,000) | 0 | 0
Payments to Acquire Notes Receivable | (4,000,000) | (20,000,000) | 0
Purchase of property and equipment | (2,000) | (4,000) | (8,000)
Purchase of available-for-sale investments | (448,388,000) | (62,633,000) | (23,296,000)
Sale of available-for-sale investments |  | 43,232,000 | 82,115,000
Proceeds from Sale and Maturity of Marketable Securities |  | 43,232,000 | 82,115,000
Patent acquisition costs | 0 | (1,225,000) | (19,504,000)
Net cash provided by (used in) investing activities | (16,114,000) | (40,630,000) | 39,307,000
Cash flows from financing activities: |  |  |
Payments of Dividends | 0 | 0 | (25,434,000)
Distributions to noncontrolling interests in operating subsidiary | 0 | (1,358,000) | (4,105,000)
Proceeds from the exercise of stock options | 745,000 | 326,000 | 938,000
Repurchases of common stock | (45,000) | (82,000) | 0
Net cash provided by (used in) financing activities | 700,000 | (1,114,000) | (28,601,000)
Increase in cash and cash equivalents | 9,064,000 | (7,683,000) | 757,000
Cash and cash equivalents, beginning | 127,540,000 | 135,223,000 | 134,466,000
Cash and cash equivalents, ending | 136,604,000 | 127,540,000 | 135,223,000
Patent acquisition costs included in accrued expenses | $ 0 | $ 0 | $ 1,000,000

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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + 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 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=66902209&loc=d3e3602-108585 + Details
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