UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net loss including noncontrolling interests in subsidiaries	$ (9,332)	$ (120,756)
Adjustments to reconcile net loss including noncontrolling interests in subsidiaries to net cash used in operating activities:
Depreciation and amortization	6,789	6,777
Amortization of debt discount and issuance costs	0	56
Change in fair value of Series A redeemable convertible preferred stock embedded derivatives	(3,954)	5,151
Change in fair value of Series A warrants	0	1,494
Change in fair value of Series B warrants	(2,762)	403
Compensation expense for share-based awards	1,351	2,257
(Gain) loss on foreign currency exchange	(95)	2,627
Change in fair value of equity securities	(9,960)	229,850
Gain (loss) on sale of equity securities	9,360	(78,374)
Deferred income taxes	(617)	(15,500)
Changes in assets and liabilities:
Accounts receivable	2,629	(4,339)
Inventories	216	(3,125)
Prepaid expenses and other assets	(1,765)	(3,135)
Accounts payable and accrued expenses	(10,624)	723
Royalties and contingent legal fees payable	(120)	118
Deferred revenue	(238)	305
Net cash used in operating activities	(19,122)	(17,553)
Cash flows from investing activities:
Purchases of equity securities	(5,843)	(107,537)
Sales of equity securities	15,198	191,494
Purchases of property and equipment	(137)	(410)
Net cash provided by investing activities	9,218	78,547
Cash flows from financing activities:
Repurchase of common stock	0	(39,508)
Paydown of Senior Secured Notes	0	(65,000)
Dividend on Series A Redeemable Convertible Preferred Stock	(1,400)	(1,399)
Taxes paid related to net share settlement of share-based awards	(595)	(503)
Proceeds from Rights Offering	79,111	0
Proceeds from exercise of stock options	206	0
Net cash provided by (used in) financing activities	77,322	(106,410)
Effect of exchange rates on cash and cash equivalents	(16)	0
Increase (decrease) in cash and cash equivalents	67,402	(45,416)
Cash and cash equivalents, beginning	287,786	309,361
Cash and cash equivalents, ending	355,188	263,945
Supplemental schedule of cash flow information:
Interest paid	1,800	4,879
Income taxes paid	551	37
Noncash investing and financing activities:
Earnings on equity investment in joint venture	0	(42,085)
Payments to Acquire Intangible Assets	$ 0	$ (5,000)