Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net loss	$ (36,020)	$ (60,938)
Adjustments to reconcile net loss to net cash from operating activities
Depreciation and amortization	14,862	12,670
Inventory reserve expenses	6,350	7,412
Amortization of inventory fair value step up	3,047	11,636
Amortization of operating lease assets, debt costs, and other assets	1,478	1,696
Provision for expected credit losses	1,376	208
Deferred income taxes	408	379
Share-based compensation expense	8,800	13,020
Change in valuation of investment securities	314	(207)
Change in fair value of contingent consideration	1,170
Other	944	(383)
Changes in operating assets and liabilities, net of effects of acquisitions
Accounts receivable	813	4,792
Inventories	(6,936)	(16,781)
Prepaid expenses and other current assets	2,749	2,225
Accounts payable	(820)	(3,560)
Other current liabilities	(14,856)	(5,842)
Other long-term assets and liabilities	(2,274)	(347)
Net cash used in operating activities	(18,595)	(34,020)
Cash flows from investing activities
Capital expenditures for property, plant, and equipment	(10,543)	(11,472)
Capital expenditures for intangible assets	(274)	(363)
Cash acquired in the SeaSpine merger		29,419
Other investing activities	(50)	(500)
Net cash provided by (used in) investing activities	(10,867)	17,084
Cash flows from financing activities
Payments related to tax withholdings for share-based compensation	(1,828)	(1,958)
Payments related to finance lease obligation	(172)	(160)
Borrowings under credit facility	40,000	45,000
Repayment of borrowings from credit facility	(15,000)
Payment of debt acquired from SeaSpine merger		(26,899)
Payment of debt issuance costs and other financing activities	(1,547)
Net cash provided by financing activities	21,453	15,983
Effect of exchange rate changes on cash	(284)	221
Net change in cash and cash equivalents	(8,293)	(732)
Cash and cash equivalents at the beginning of period	37,757	50,700
Cash and cash equivalents at the end of period	29,464	49,968
Components of cash and cash equivalents at the end of period
Cash and cash equivalents	26,964	49,968
Restricted cash	2,500
Cash and cash equivalents at the end of period	29,464	$ 49,968
Noncash investing activities - Purchase of intangible assets	$ 50