Lindblad Expeditions has boosted its profit on higher bookings.

The Seven-Olof Lindblad-led company posted second-quarter net income of $1m versus $0.1m during the same period last year.

Earnings per share came in at $0.02, missing Wall Street consensus of $0.06 but trumping last year's result of $0.00.

Tour revenue increased 10% to $76.7m