Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2022

Balance Sheet Related Disclosures [Abstract]

Inventories

Inventories consist of the following (in thousands):

	December 31,
	2022		2021
Raw materials	$	13,928	$	14,671
Work-in-process		3,032		5,712
Finished goods		84,561		71,320
Inventories	$	101,521	$	91,703

Property and Equipment, Net

Property and equipment, net consist of the following (in thousands, except as indicated):

	Useful Life	December 31,
	(in years)	2022			2021
Surgical instruments	4	$	158,906		$	130,432
Machinery and equipment	7		9,502			11,092
Computer equipment	3		4,753			5,694
Office furniture and equipment	5		4,760			3,861
Leasehold improvements	various		2,965			1,754
Construction in progress	n/a		15,360			7,292
			196,246			160,125
Less: accumulated depreciation			(94,294	)		(72,724	)
Property and equipment, net		$	101,952		$	87,401

Schedule of Goodwill

The change in the carrying amount of goodwill during the year ended December 31, 2022 included the following (in thousands):

December 31, 2021	$	39,689
Purchase price allocation adjustment		1,628
Foreign currency fluctuation		(1,542	)
December 31, 2022	$	39,775

Intangible Assets, Net

Intangible assets, net consist of the following (in thousands, except as indicated):

	Remaining Weighted Avg. Useful Life	Gross		Accumulated			Intangible
December 31, 2022:	(in years)	Amount		Amortization			Assets, net
Developed product technology	7	$	75,896	$	(13,420	)	$	62,476
Trademarks and trade names	8		5,421		(987	)		4,434
Customer relationships	4		14,240		(6,906	)		7,334
Distribution network	2		2,413		(2,041	)		372
Total amortized intangible assets			97,970		(23,354	)		74,616
Software in development	n/a		2,503					2,503
In-process research and development	n/a		5,662					5,662
Total intangible assets		$	106,135	$	(23,354	)	$	82,781
		.
	Remaining Weighted Avg. Useful Life	Gross		Accumulated			Intangible
December 31, 2021:	(in years)	Amount		Amortization			Assets, net
Developed product technology	12	$	74,543	$	(5,768	)	$	68,775
Trademarks and trade names	10		5,732		(477	)		5,255
Customer relationships	5		14,732		(5,264	)		9,468
Distribution network	3		2,413		(1,840	)		573
Total amortized intangible assets			97,420		(13,349	)		84,071
In-process research and development	n/a		1,203					1,203
Total intangible assets		$	98,623	$	(13,349	)	$	85,274

Schedule of Intangible Assets, Future Expected Amortization Expense

Future amortization expense related to intangible assets as of December 31, 2022 is as follows (in thousands):

Year Ending December 31,
2023	$	12,402
2024		12,300
2025		10,811
2026		10,811
2027		8,939
Thereafter		19,353
Total	$	74,616

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following (in thousands):

	December 31,
	2022		2021
Payroll and payroll related	$	19,764	$	18,449
Commissions and sales milestones		17,444		12,420
Accrued legal expenses		8,345		4,290
Royalties		4,758		3,466
Orthotec litigation settlement obligation		3,968		4,400
Inventory in -transit		3,548		2,089
Debt issuance costs		2,690		—
Administration fees		1,912		1,698
Other taxes payable		1,955		3,004
Professional fees		1,238		394
Interest		1,122		1,045
Other		5,638		4,294
Total accrued expenses and other current liabilities	$	72,382	$	55,549

Schedule of Other Long-Term Liabilities

Other long-term liabilities consist of the following (in thousands):

	December 31,
	2022		2021
Royalties	$	5,739	$	5,833
Orthotec litigation settlement obligation		—		3,587
Income tax-related liabilities		980		1,522
Contract liabilities		3,047		2,897
Other		1,777		3,222
Other long-term liabilities	$	11,543	$	17,061