Revenue recognition and accounts receivable (Tables)

3 Months Ended

Mar. 31, 2022

Revenue Recognition And Accounts Receivable [Abstract]

Schedule of Net Sales by Major Product Category by Reporting Segment

The table below presents net sales by major product category by reporting segment:

	Three Months Ended March 31,
(U.S. Dollars, in thousands)	2022		2021		Change
Bone Growth Therapies	$	41,948	$	42,947		-2.3	%
Spinal Implants		26,615		25,701		3.6	%
Biologics		14,092		13,692		2.9	%
Global Spine		82,655		82,340		0.4	%
Global Orthopedics		23,763		23,253		2.2	%
Net sales	$	106,418	$	105,593		0.8	%

Schedule of Components Net Sales

The table below presents product sales and marketing service fees, which are both components of net sales:

	Three Months Ended March 31,
(U.S. Dollars, in thousands)	2022		2021
Product sales	$	92,608	$	92,263
Marketing service fees		13,810		13,330
Net sales	$	106,418	$	105,593

Allowances for Expected Credit Losses

The following table provides a detail of changes in the Company’s allowance for expected credit losses for the three months ended March 31, 2022 and 2021 :

(U.S. Dollars, in thousands)	Three Months Ended March 31,
	2022			2021
Allowance for expected credit losses beginning balance	$	4,944		$	4,848
Current period provision (recovery) for expected credit losses		600			(182	)
Write-offs charged against the allowance and other		(104	)		(46	)
Effect of changes in foreign exchange rates		(51	)		(114	)
Allowance for expected credit losses ending balance	$	5,389		$	4,506

Schedule of Changes in Contract Liability

The following table provides a detail of changes in the Company’s contract liability associated with the Accelerated and Advanced Payment Program for the three months ended March 31, 2022 and 2021:

(U.S. Dollars, in thousands)	Three Months Ended March 31,
	2022			2021
Contract liability beginning balance	$	4,791		$	13,851
Recoupment recognized in net sales		(3,395	)		—
Contract liability ending balance	$	1,396		$	13,851