Fuel Systems Solutions (NASDAQ: FSYS) has reported its Q4 and 2012 results. For the quarter, revenue amounted to $98 million, a drop from the $111 million it posted in the same period the previous year. Bottom line shifted to a loss of $21.0 million ($1.05 per diluted share), against Q4 2011's net profit of $1.4 million ($0.07).

For the full year, top line also dropped. It came in at $394 million, or nearly $25 million lower than 2011's $418 million. Net loss amounted to $15.6 million ($0.78 per diluted share) for the year. In 2011, the company net saw a profit of of $5.2 million ($0.26).

Fuel Systems Solutions also provided forecasts for its fiscal 2013. The company anticipates revenue of $400 million-$420 million for the year, and operating margin of 2%-4%. It did not provide profit estimates.