Tidewater (NYSE: TDW) reported earnings on May 21. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q4), Tidewater beat slightly on revenues and beat expectations on earnings per share.

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

Gross margins dropped, operating margins improved, net margins improved.

Revenue details
Tidewater chalked up revenue of $289.4 million. The nine analysts polled by S&P Capital IQ looked for a top line of $286.3 million on the same basis. GAAP reported sales were 14% higher than the prior-year quarter's $254.0 million.

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

EPS details
EPS came in at $0.66. The 12 earnings estimates compiled by S&P Capital IQ averaged $0.60 per share. GAAP EPS of $0.66 for Q4 were 187% higher than the prior-year quarter's $0.23 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 41.0%, 510 basis points worse than the prior-year quarter. Operating margin was 14.7%, 570 basis points better than the prior-year quarter. Net margin was 11.6%, 690 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $303.9 million. On the bottom line, the average EPS estimate is $0.77.

Next year's average estimate for revenue is $1.30 billion. The average EPS estimate is $4.51.

Investor sentiment
The stock has a five-star rating (out of five) at Motley Fool CAPS, with 701 members out of 725 rating the stock outperform, and 24 members rating it underperform. Among 172 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 168 give Tidewater a green thumbs-up, and four give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Tidewater is outperform, with an average price target of $63.83.

Can your portfolio provide you with enough income to last through retirement? You'll need more than Tidewater. Learn how to maximize your investment income and "Secure Your Future With 9 Rock-Solid Dividend Stocks." Click here for instant access to this free report.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.