Note 10 - Revenue and Geographic Information (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Revenue from External Customers by Products and Services [Table Text Block]

	Three Months Ended March 31,
	2022		2021
OA Pain Management	$	22,733	$	19,316
Joint Preservation and Restoration		12,139		12,219
Non-Orthopedic		1,821		2,757
Total	$	36,693	$	34,292

Schedule of Revenue and Operating Income by Geographical Areas [Table Text Block]

	Three Months Ended March 31,
	2022					2021
			Percentage of					Percentage of
	Revenue		Revenue			Revenue		Revenue
Geographic Location:
United States	$	26,773		73	%	$	25,005		73	%
Europe		5,796		16	%		5,480		16	%
Other		4,124		11	%		3,807		11	%
Total	$	36,693		100	%	$	34,292		100	%