SANTA CLARA, Calif. (AP) _ Si-Bone Inc. (SIBN) on Monday reported a loss of $12.2 million in its first quarter.

On a per-share basis, the Santa Clara, California-based company said it had a loss of 37 cents.

The results topped Wall Street expectations. The average estimate of three analysts surveyed by Zacks Investment Research was for a loss of 38 cents per share.

The medical device maker posted revenue of $20.4 million in the period.

Si-Bone shares have risen 20% since the beginning of the year. In the final minutes of trading on Monday, shares hit $35.96, more than doubling in the last 12 months.

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This story was generated by Automated Insights (http://automatedinsights.com/ap) using data from Zacks Investment Research. Access a Zacks stock report on SIBN at https://www.zacks.com/ap/SIBN