Calix (NYSE: CALX) reported earnings on July 30. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended June 29 (Q2), Calix missed estimates on revenues and beat expectations on earnings per share.

Compared to the prior-year quarter, revenue grew significantly. Non-GAAP earnings per share expanded significantly. GAAP loss per share dropped.

Margins increased across the board.

Revenue details
 Calix booked revenue of $94.4 million. The seven analysts polled by S&P Capital IQ expected sales of $96.8 million on the same basis. GAAP reported sales were 20% higher than the prior-year quarter's $78.9 million.

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

EPS details
 EPS came in at $0.10. The eight earnings estimates compiled by S&P Capital IQ predicted $0.06 per share. Non-GAAP EPS of $0.10 for Q2 were 150% higher than the prior-year quarter's $0.04 per share. GAAP EPS were -$0.10 for Q2 versus -$0.15 per share for the prior-year quarter.

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

Margin details
 For the quarter, gross margin was 47.2%, 250 basis points better than the prior-year quarter. Operating margin was -5.1%, 360 basis points better than the prior-year quarter. Net margin was -5.5%, 350 basis points better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $104.4 million. On the bottom line, the average EPS estimate is $0.12.

Next year's average estimate for revenue is $403.8 million. The average EPS estimate is $0.49.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 67 members out of 74 rating the stock outperform, and seven members rating it underperform. Among 15 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 13 give Calix a green thumbs-up, and two give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Calix is outperform, with an average price target of $11.80.

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