Other current liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Payables And Accruals [Abstract]

Summary of Other Current Liabilities

	December 31,
(U.S. Dollars, in thousands)	2020		2019
Accrued expenses	$	6,090	$	5,571
Salaries, bonuses, commissions and related taxes payable		22,362		14,008
Accrued distributor commissions		9,331		12,286
Accrued legal and settlement expenses		5,422		9,227
Contingent consideration liability		14,900		14,700
Short-term operating lease liability		2,092		1,875
Non-income taxes payable		5,509		4,021
Accelerated and advance payment program		9,834		—
Other payables		4,731		2,986
Other current liabilities	$	80,271	$	64,674