Note 3 - Revenue Information (Tables)

12 Months Ended

Dec. 31, 2023

Statement Line Items [Line Items]

Disclosure of disaggregation of revenue from contracts with customers [text block]

	Year ended December 31,
	2021		2022		2023
Advertising	$	123,910	$	187,434	$	230,980
Search		121,961		140,162		162,168
Technology licensing and other revenue		5,119		3,441		3,679
Total revenue	$	250,991	$	331,037	$	396,827

	Year ended December 31,
	2021		2022		2023
United States	$	144,570	$	172,288	$	203,056
Singapore		24,440		28,876		41,181
Russia		16,156		20,288		34,976
Other locations		65,824		109,584		117,614
Total revenue	$	250,991	$	331,037	$	396,827

	Year ended December 31,
	2021		2022		2023
Customer group 1	$	128,650	$	148,481	$	168,428
Customer group 2	$	18,494	$	29,418	$	34,976

Disclosure of transaction price allocated to remaining performance obligations [text block]

	As of December 31,
	2022		2023
Aggregate amount of transaction prices allocated to unsatisfied long-term contracts	$	-	$	21,613