Ballard Power Systems (Nasdaq: BLDP) reported earnings yesterday. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), Ballard Power Systems whiffed on revenues and missed expectations on earnings per share.

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

Margins improved across the board.

Revenue details
Ballard Power Systems notched revenue of $13.5 million. The two analysts polled by S&P Capital IQ expected revenue of $16.1 million on the same basis. GAAP reported sales were 11% lower than the prior-year quarter's $15.3 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 -$0.10. The two earnings estimates compiled by S&P Capital IQ averaged -$0.06 per share. GAAP EPS were -$0.10 for Q1 versus -$0.12 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 22.3%, 600 basis points better than the prior-year quarter. Operating margin was -62.1%, 550 basis points better than the prior-year quarter. Net margin was -62.3%, 440 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $20.5 million. On the bottom line, the average EPS estimate is -$0.04.

Next year's average estimate for revenue is $102.7 million. The average EPS estimate is -$0.19.

Investor sentiment
The stock has a two-star rating (out of five) at Motley Fool CAPS, with 260 members rating the stock outperform and 106 members rating it underperform. Among 86 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 38 give Ballard Power Systems a green thumbs-up, and 48 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Ballard Power Systems is outperform, with an average price target of $2.38.