Note 7 - Acquisition-related Items

12 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Business Combination Disclosure Acquisition Related Items [Text Block]

7. Acquisition-related items

	Year ended December 31,
	2022		2021
Transaction costs	$	23,275	$	13,030
Contingent consideration fair value adjustments (note 25)		3,700		42,686
Contingent consideration compensation expense		50,169		5,292
	$	77,144	$	61,008

Contingent consideration compensation expense and contingent consideration fair value adjustments relate to acquisitions made in the current year as well as the preceding four years. $41,765 of the $50,169 of contingent consideration compensation expense recognized during the year ended December 31, 2022 was associated with 2022 acquisitions.