Red Robin Gourmet Burgers (Nasdaq: RRGB) reported earnings on May 16. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended April 15 (Q1), Red Robin Gourmet Burgers missed estimates on revenues and beat expectations on earnings per share.

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

Margins grew across the board.

Revenue details
Red Robin Gourmet Burgers booked revenue of $299.5 million. The eight analysts polled by S&P Capital IQ hoped for net sales of $307.9 million on the same basis. GAAP reported sales were 4.4% higher than the prior-year quarter's $286.8 million.

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 $0.71. The nine earnings estimates compiled by S&P Capital IQ predicted $0.66 per share. GAAP EPS of $0.71 for Q1 were 27% higher than the prior-year quarter's $0.56 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 22.5%, 120 basis points better than the prior-year quarter. Operating margin was 5.3%, 110 basis points better than the prior-year quarter. Net margin was 3.5%, 50 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $227.7 million. On the bottom line, the average EPS estimate is $0.52.

Next year's average estimate for revenue is $985.6 million. The average EPS estimate is $1.87.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 250 members rating the stock outperform and 62 members rating it underperform. Among 107 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 90 give Red Robin Gourmet Burgers a green thumbs-up, and 17 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Red Robin Gourmet Burgers is outperform, with an average price target of $42.22.

Over the decades, small-cap stocks, like Red Robin Gourmet Burgers have provided market-beating returns, provided they're value priced and have solid businesses. Read about a pair of companies with a lock on their markets in "Too Small to Fail: Two Small Caps the Government Won't Let Go Broke." Click here for instant access to this free report.