Vocera Communications (NYSE: VCRA) reported earnings on May 2. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended March 31 (Q1), Vocera Communications missed estimates on revenues and missed expectations on earnings per share.

Compared to the prior-year quarter, revenue dropped. Non-GAAP earnings per share shrank to a loss. GAAP loss per share contracted.

Gross margins grew, operating margins shrank, net margins contracted.

Revenue details
 Vocera Communications chalked up revenue of $22.4 million. The eight analysts polled by S&P Capital IQ predicted a top line of $24.3 million on the same basis. GAAP reported sales were the same as the prior-year quarter's.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 EPS came in at -$0.07. The seven earnings estimates compiled by S&P Capital IQ averaged -$0.02 per share. Non-GAAP EPS were -$0.07 for Q1 against $0.06 per share for the prior-year quarter. GAAP EPS were -$0.14 for Q1 compared to -$0.23 per share for the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 61.2%, 10 basis points better than the prior-year quarter. Operating margin was -15.3%, much worse than the prior-year quarter. Net margin was -15.6%, much worse than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $24.0 million. On the bottom line, the average EPS estimate is -$0.04.

Next year's average estimate for revenue is $104.2 million. The average EPS estimate is $0.03.

Investor sentiment
 The stock has a one-star rating (out of five) at Motley Fool CAPS, with 10 members out of 18 rating the stock outperform, and eight members rating it underperform. Among five CAPS All-Star picks (recommendations by the highest-ranked CAPS members), two give Vocera Communications a green thumbs-up, and three give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Vocera Communications is outperform, with an average price target of $29.50.

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