Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net loss	$ (69,463)	$ (100,364)
Adjustments to reconcile net loss to net cash from operating activities
Depreciation and amortization	28,894	25,997
Inventory reserve expenses	13,759	17,057
Amortization of inventory fair value step up	6,094	21,085
Amortization of operating lease assets, debt costs, and other assets	2,986	3,319
Provision for expected credit losses	1,573	490
Deferred income taxes	1,180	815
Share-based compensation expense	18,759	26,266
Change in valuation of investment securities	3,992	(492)
Change in fair value of contingent consideration	4,240	(1,300)
Other	4,863	(372)
Changes in operating assets and liabilities, net of effects of acquisitions
Accounts receivable	710	5,615
Inventories	(8,571)	(33,168)
Prepaid expenses and other current assets	2,717	275
Accounts payable	(7,501)	1,800
Other current liabilities	(9,977)	(6,425)
Other long-term assets and liabilities	(3,866)	(134)
Net cash used in operating activities	(9,611)	(39,536)
Cash flows from investing activities
Capital expenditures for property, plant, and equipment	(19,887)	(23,823)
Capital expenditures for intangible assets	(646)	(831)
Cash acquired in the SeaSpine merger		29,419
Other investing activities	(50)	(500)
Net cash provided by (used in) investing activities	(20,583)	4,265
Cash flows from financing activities
Proceeds from issuance of common shares	3,191	2,377
Payments related to tax withholdings for share-based compensation	(3,775)	(3,167)
Payments related to finance lease obligation	(346)	(320)
Borrowings under credit facility	40,000	51,000
Repayment of borrowings from credit facility	(15,000)
Payment of debt acquired from SeaSpine merger		(26,899)
Contingent consideration milestone payment		(920)
Payment of debt issuance costs and other financing activities	(2,392)	(280)
Net cash provided by financing activities	21,678	21,791
Effect of exchange rate changes on cash	(375)	387
Net change in cash and cash equivalents	(8,891)	(13,093)
Cash, cash equivalents, and restricted cash at the beginning of period	37,757	50,700
Cash, cash equivalents, and restricted cash at the end of period	28,866	37,607
Components of cash, cash equivalents, and restricted cash at the end of period
Cash and cash equivalents	26,366	37,607
Restricted cash	2,500
Cash, cash equivalents, and restricted cash at the end of period	28,866	$ 37,607
Noncash investing activities - Purchase of intangible assets	$ 50