By midday, shares had added 6% to $17.04.
Over the three months to March, the company reported revenue 23% higher year over year to $31.8 million. However, net losses widened to 7 cents a share from profits of 2 cents a share in the year-ago quarter.
Analysts surveyed by Thomson Reuters had expected a net loss of 7 cents a share and revenue of $31.3 million.
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