CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash Flows from Operating Activities:
Net loss	$ 54,561	$ (15,629)
Adjustments to reconcile to net cash used in operating activities:
Depreciation	808	692
Amortization of debt discount	3,454	4,513
Amortization of right of use asset	260
Equity income, net	(64,267)	(19,661)
(Income) loss from change in fair value of derivative	(5,060)	4,541
Gain from observable price changes	(4,526)	(1,415)
Other, net	(2,268)	2,044
Stock-based compensation, including liability classified awards	1,237	966
Changes in assets and liabilities:
Prepaid expenses and other current assets	(823)	(2,065)
Accounts payable, accrued expenses, and other	(3,346)	(21)
Net cash used in operating activities	(19,970)	(26,035)
Cash Flows from Investing Activities:
Acquisitions of ownership interests	(11,640)	(3,250)
Proceeds from sales and distributions	104,302	67,387
Advances and loans	(5,055)	(13,104)
Repayment of advances and loans	750	10,730
Purchase of marketable securities	(57,243)	(37,809)
Proceeds, from sales and maturities in securities	95,189	8,148
Proceeds from sales of property and equipment	0	1
Net cash provided by investing activities	126,303	32,103
Cash Flows from Financing Activities:
Payment of dividend	(20,679)	0
Proceeds from credit facility	0	35,000
Issuance costs of credit facility	0	(2,252)
Repayments on credit facility	(68,568)	(16,433)
Repurchase of convertible senior debentures	0	(41,000)
Tax withholdings related to equity-based awards	(236)	(267)
Net cash used in financing activities	(89,483)	(24,952)
Net change in cash, cash equivalents and restricted cash equivalents	16,850	(18,884)
Cash, cash equivalents and restricted cash equivalents at beginning of period	8,203	27,087
Cash, cash equivalents and restricted cash equivalents at end of period	$ 25,053	$ 8,203