Other current liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Payables And Accruals [Abstract]

Summary of Other Current Liabilities

	December 31,
(U.S. Dollars, in thousands)	2019		2018
Accrued expenses	$	5,571	$	6,206
Salaries, bonuses, commissions and related taxes payable		14,008		21,608
Accrued distributor commissions		12,286		10,073
Accrued legal and settlement expenses		9,227		4,196
Contingent consideration liability		14,700		13,600
Short-term operating lease liability		1,875		—
Non-income taxes payable		4,021		3,638
Other payables		2,986		8,598
Other current liabilities	$	64,674	$	67,919