Nautilus saw its net income soar by 57 percent to $2.5 million for the first quarter ended March 31, as revenues rose by 6 percent to $51.3 million and the gross margin improved by 0.9 percentage points to 46.6 percent. The direct distribution segment delivered 11.5 percent higher revenues of $33.7 million and 38 percent higher operating income of $3.0 million. Retail sales slipped by 2 percent to $16.6 million, but their operating profit edged up by 1.7 percent to $2.3 million.