Kodiak Oil & Gas (NYSE: KOG) reported earnings on Feb. 28. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended Dec. 31 (Q4), Kodiak Oil & Gas missed estimates on revenues and missed expectations on earnings per share.

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

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

Revenue details
Kodiak Oil & Gas notched revenue of $55.0 million. The 15 analysts polled by S&P Capital IQ foresaw revenue of $59.9 million on the same basis. GAAP reported sales were much higher than the prior-year quarter's $11.0 million.

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

EPS details
Non-GAAP EPS came in at $0. The 20 earnings estimates compiled by S&P Capital IQ anticipated $0.09 per share on the same basis. GAAP EPS were -$0.15 for Q4 compared to -$0.03 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 75.7%, 290 basis points worse than the prior-year quarter. Operating margin was 33.1%, 7,330 basis points better than the prior-year quarter. Net margin was -61.4%, 2,180 basis points worse than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $123.0 million. On the bottom line, the average EPS estimate is $0.18.

Next year's average estimate for revenue is $652.8 million. The average EPS estimate is $1.01.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 697 members out of 740 rating the stock outperform, and 43 members rating it underperform. Among 146 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 135 give Kodiak Oil & Gas 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 Kodiak Oil & Gas is outperform, with an average price target of $10.62.

Are you missing a major story in the energy space? Read about "One Stock to Own Before Nat Gas Act 2011 Becomes Law." Click here for instant access to this free report.