Note 3 - Revenues (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

	Contract Liabilities
(In thousands)		(unaudited)
Balance as of January 1, 2020	$	72,051
Recognized in tour revenues during the period		(68,182	)
Additional contract liabilities in period		57,363
Balance as of March 31, 2020	$	61,232

Disaggregation of Revenue [Table Text Block]

	For the three months ended March 31,
	2020			2019
Guest ticket revenue:		(unaudited)			(unaudited)
Direct		41	%		41	%
National Geographic		18	%		19	%
Agencies		24	%		24	%
Affinity		5	%		6	%
Guest ticket revenue		88	%		90	%
Other tour revenue		12	%		10	%
Tour revenues		100	%		100	%