Note 14 - Subsequent Events	9 Months Ended
Sep. 30, 2021
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 14 — SUBSEQUENT EVENTS On October 8, 2021, the Company received $6.0 million, representing the remainder of its grant, under the US Treasury’s Coronavirus Economic Relief for Transportation Services (“CERTS”) Act. The CERTS Act, provided grants to eligible motorcoach, school bus, passenger vessel, and pilotage companies that have experienced annual revenue losses of 25 percent or more as result of COVID-19. The priority use of grant funds must be for payroll costs, though grants may be used for operating expenses and the repayment of debt accrued to maintain payroll. The Company anticipates using the granted funds primarily for permitted payroll costs and ship operating expenses. On October 14, 2021, to further expand its land-based experiential travel offerings, the Company acquired 80.1% of the outstanding ownership interests in Classic Journeys, LLC for $12.8 million in cash. Classic Journeys, LLC is a leading luxury walking tour company that offers highly curated active small-group and private custom journeys that are centered around cinematic walks led by expert local guides in over 50 countries around the world.

Note 14 - Subsequent Events

9 Months Ended

Sep. 30, 2021

NOTE 14 — SUBSEQUENT EVENTS

On October 8, 2021, the Company received $6.0 million, representing the remainder of its grant, under the US Treasury’s Coronavirus Economic Relief for Transportation Services (“CERTS”) Act. The CERTS Act, provided grants to eligible motorcoach, school bus, passenger vessel, and pilotage companies that have experienced annual revenue losses of 25 percent or more as result of COVID-19. The priority use of grant funds must be for payroll costs, though grants may be used for operating expenses and the repayment of debt accrued to maintain payroll. The Company anticipates using the granted funds primarily for permitted payroll costs and ship operating expenses.

On October 14, 2021, to further expand its land-based experiential travel offerings, the Company acquired 80.1% of the outstanding ownership interests in Classic Journeys, LLC for $12.8 million in cash. Classic Journeys, LLC is a leading luxury walking tour company that offers highly curated active small-group and private custom journeys that are centered around cinematic walks led by expert local guides in over 50 countries around the world.