Note 8 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Lease, Cost [Table Text Block]

	Location (leases)	Purpose	Approx. Sq. Ft.	Expiration
Americas
	Burlington, MA (4)	Corporate headquarters and manufacturing	96,476	December 2034
	North Brunswick, NJ (1)	Artegraft biologic business	16,732	October 2029
	Burlington, MA (1)	US distribution	12,878	December 2030
	Fox River Grove, IL (3)	RestoreFlow allografts business	11,765	November 2025
	Vaughn, Canada	Canada sales office and distribution	3,192	February 2026
	Chandler, Arizona	US sales office	2,058	August 2025
Europe, Middle East and Africa
	Sulzbach, Germany	European headquarters and distribution	21,410	June 2031
	Milan,Italy	Italy sales office and distribution	5,705	July 2027
	Hereford, England	United Kingdom sales office and distribution	3,575	October 2029
	Madrid, Spain	Spain sales office	2,260	June 2029
Asia Pacific
	Singapore	Asia Pacific headquarters and distribution	1,270	June 2024
	Tokyo, Japan	Japan sales office and distribution	4,236	July 2025
	Bangkok, Thailand	Thailand sales office and distribution	2,810	August 2026
	Seoul, Korea	Korea sales office and distribution	2,300	April 2027
	Shanghai, China	China sales office and distribution	1,152	August 2024
	Ballarat, Australia	Supply facility	Up to 350 acres	December 2030

	Year ended			Year ended
	December 31,			December 31,
	2023			2022
	(in thousands)			(in thousands)
Lease cost
Operating lease cost	$	2,420		$	2,203
Short-term lease cost		378			632
Total lease cost	$	2,798		$	2,835
Other information
Cash paid for amounts included in the measurement of operating lease liabilities	$	3,139		$	2,878
Right-of-use assets obtained in exchange for new operating lease liabilities	$	4,813		$	2,766
Weighted average remaining lease term - operating leases (in years)		7.3			7.1
Weighted average discount rate - operating leases		6.57	%		4.93	%

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

Year ending December 31,
2024	$	3,622
2025		3,364
2026		2,699
2027		2,503
2028		2,469
Thereafter		10,906
Adjustment to net present value as of December 31, 2023		(6,468	)
Minimum noncancelable lease liability	$	19,095