iRobot (Nasdaq: IRBT) reported earnings on Feb. 8. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended Dec. 31 (Q4), iRobot missed estimates on revenue and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue increased and GAAP earnings per share improved significantly.

Margins improved across the board.

Revenue details
iRobot recorded revenue of $130.8 million. The six analysts polled by S&P Capital IQ hoped for a top line of $134.0 million. GAAP sales were 15% higher than the prior-year quarter's $114.0 million.

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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 $0.38. The two earnings estimates compiled by S&P Capital IQ averaged $0.31 per share. GAAP EPS of $0.38 for Q4 were 46% higher than the prior-year quarter's $0.26 per share.

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 42.9%, 300 basis points better than the prior-year quarter. Operating margin was 11.5%, 490 basis points better than the prior-year quarter. Net margin was 8.1%, 200 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $121.0 million. On the bottom line, the average EPS estimate is $0.28.

Next year's average estimate for revenue is $529.7 million. The average EPS estimate is $1.52.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 1,093 members out of 1,213 rating the stock outperform, and 120 members rating it underperform. Among 387 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 354 give iRobot a green thumbs-up, and 33 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on iRobot is outperform, with an average price target of $33.58.

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