Lindblad Expeditions has trumped analysts' forecasts, thanks to a boost from Uncle Sam.

The Sven-Olof Lindblad-led expedition cruise player posted a $14.7m profit for the first quarter, up from $10.8m in earnings a year earlier.

Those results translated into diluted earnings per share (EPS) of $0.31 versus $0.24 during the same period last year, beating analysts' take of $0.21.

The higher profit was mainly due to a $3.1m