Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024
OPERATING ACTIVITIES
Net income (loss) before redeemable non-controlling interest		$ 67,450	$ (43,402)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization		10,907	14,772
Accretion of debt discount		652	749
Stock-based compensation		607	13,673
Non-cash operating lease expense		2,371	4,992
Provision for inventory obsolescence		2,130	6,165
Provision for bad debts		1,622	(25)
(Gain) loss on the disposition of businesses, property, equipment and other assets		(125,825)	643
Gain on debt extinguishment		(8,203)	(21,518)
Provision (benefit) for deferred income taxes and reserve adjustments		(3,124)	451
Loss on equity method investment, net of taxes		2,229	1,149
Changes in operating accounts:
Accounts receivable		9,394	2,438
Inventories		(11,137)	479
Prepaid expenses and other current assets		(6,362)	149
Accounts payable		(8,142)	(7,387)
Deferred revenue and customer deposits		7,094	3,943
Accrued and other liabilities		5,009	(7,325)
All other operating activities		(6,302)	(6,254)
Net cash used in operating activities		(59,630)	(36,308)
INVESTING ACTIVITIES
Purchases of property and equipment		(5,743)	(7,151)
Proceeds from sale of assets and businesses, net of cash sold		119,400	96
Acquisitions and other investments, net of cash acquired		(900)	(2,450)
Other investing activities		174	0
Net cash provided by (used in) investing activities		112,931	(9,505)
FINANCING ACTIVITIES
Proceeds from borrowings		92,030	0
Debt issuance costs		(3,425)	0
Repayment of borrowings and long-term debt		(169,987)	(87,218)
Stock repurchases		(14,960)	0
Taxes paid related to net-share settlement of equity awards		(605)	(2,503)
Other financing activities		(393)	(659)
Net cash used in financing activities		(97,340)	(90,380)
Effect of exchange rate changes on cash, cash equivalents and restricted cash		5,104	(2,632)
Net decrease in cash, cash equivalents and restricted cash		(38,935)	(138,825)
Cash, cash equivalents and restricted cash at the beginning of the year		172,883	333,111
Cash, cash equivalents and restricted cash at the end of the period		133,948	194,286
Balances per Condensed Consolidated Balance Sheets:
Cash and cash equivalents		116,358	192,732
Restricted cash included in prepaid expenses and other current assets		125	121
Restricted cash included in other assets	[1]	17,465	1,433
Total cash, cash equivalents and restricted cash		133,948	194,286
Supplemental cash flow information
Lease assets obtained in exchange for new lease liabilities		42	997
Cash interest payments		239	512
Cash income tax payments, net		3,671	3,688
Transfer of equipment from inventory to property and equipment, net	[2]	1,662	1,637
Exchange of assets for investment		$ 1,016	$ 0

[1] The balance in restricted cash as of June 30, 2025 includes (1) $16.8 million of restricted cash for the remaining balance of the 2026 Notes for debt holders who participated in the June 2025 repurchase transaction. Refer to Note 6 for further information. (2) The remaining balance primarily relates to guarantees in the form of a standby letter of credit as security for a long-term real estate lease. The balance in restricted cash as of June 30, 2024 primarily relates to guarantees in the form of a standby letter of credit as security for a long-term real estate lease. Refer to Note 12 for further information.

[2] Inventory is transferred to property and equipment at cost when we require additional machines for training or demonstration or for placement into on demand manufacturing services locations.