Westport Innovations (Nasdaq: WPRT) reported earnings on March 7. Here are the numbers you need to know.

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

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

Margins increased across the board.

Revenue details
 Westport Innovations reported revenue of $85.6 million. The 14 analysts polled by S&P Capital IQ expected revenue of $77.0 million on the same basis. GAAP reported sales were 230% lower than the prior-year quarter's $88.6 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 -$0.66. The 11 earnings estimates compiled by S&P Capital IQ predicted -$0.43 per share. Non-GAAP EPS were -$0.66 for Q4 versus -$0.29 per share for the prior-year quarter. GAAP EPS were -$0.68 for Q4 versus -$0.44 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 58.3%, much better than the prior-year quarter. Operating margin was 63.4%, much better than the prior-year quarter. Net margin was 32.6%, much better than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $86.1 million. On the bottom line, the average EPS estimate is -$0.38.

Next year's average estimate for revenue is $422.3 million. The average EPS estimate is -$1.09.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 1,801 members out of 1,840 rating the stock outperform, and 39 members rating it underperform. Among 310 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 299 give Westport Innovations a green thumbs-up, and 11 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Westport Innovations is outperform, with an average price target of $34.75.

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