Shareholders' equity (Tables)

12 Months Ended

Dec. 31, 2024

Stockholders' Equity Note [Abstract]

Components of Changes in Accumulated Other Comprehensive Income (Loss)

The components of and changes in accumulated other comprehensive income (loss) are as follows:

(U.S. Dollars, in thousands)	Currency Translation Adjustments			Neo Medical Convertible Loans			Other Investments			Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2021	$	(711	)	$	711		$	—		$	—
Other comprehensive income (loss)		(1,771	)		294			101			(1,376	)
Income taxes		—			—			—			—
Balance at December 31, 2022	$	(2,482	)	$	1,005		$	101		$	(1,376	)
Other comprehensive income (loss)		1,417			(1,233	)		(101	)		83
Income taxes		—			—			—			—
Balance at December 31, 2023	$	(1,065	)	$	(228	)	$	—		$	(1,293	)
Other comprehensive income (loss)		(3,009	)		1,671			—			(1,338	)
Income taxes		—			—			—			—
Reclassification adjustment to:
Other expense, net		—			(1,671	)		—			(1,671	)
Balance at December 31, 2024	$	(4,074	)	$	(228	)	$	—		$	(4,302	)