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v3.19.1

Condensed Consolidated Statements of Cash Flows Statement - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Cash flows from operating activities: |  |
Net income (loss) including noncontrolling interests in operating subsidiaries | $ (4,398) | $ (32,111)
Adjustments to reconcile net loss including noncontrolling interests in operating subsidiaries to net cash provided by operating activities: |  |
Change in fair value of investment, net | (6,908) | 41,097
Loss on Sale of Investments | 5,590 | 0
Depreciation and amortization | 660 | 5,344
Non-cash stock compensation | 8 | 1,024
Increase (Decrease) in Debt Securities, Trading | (1,077) | 0
Payments to Acquire Trading Securities Held-for-investment | 60,193 | 0
Proceeds from (Payments for) Trading Securities, Short-term | 3,339 | 0
Other | 0 | (87)
Changes in assets and liabilities: |  |
Accounts receivable | 8,920 | (59)
Prepaid expenses and other assets | (541) | (863)
Accounts payable and accrued expenses | 2,343 | 1,065
Royalties and contingent legal fees payable | (6,539) | 36,608
Net cash provided by operating activities | (58,812) | 49,970
Cash flows from investing activities: |  |
Proceeds from Sale and Maturity of Other Investments | 3,294 | 0
Payments to Acquire Other Investments | 0 | (7,000)
Purchase of available-for-sale investments | 0 | (33,309)
Maturities and sale of available-for-sale investments | 0 | 4,000
Payments to Acquire Property, Plant, and Equipment | 6 | 0
Net cash provided by (used in) investing activities | 3,288 | (36,309)
Cash flows from financing activities: |  |
Repurchased Restricted Common Stock | 0 | 7
Proceeds from exercises of stock options | 0 | 31
Net cash used in financing activities | 0 | 24
Increase (decrease) in cash and cash equivalents | (55,524) | 13,685
Cash and cash equivalents, beginning | 128,809 | 136,604
Cash and cash equivalents, ending | 73,285 | 150,289
Patent acquisition costs included in accrued expenses | $ 3,750 | $ 0

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