Mattel Inc.(NASDAQ:MAT) reported its first-quarter financial results after the bell Tuesday. Here's a look at the details.  The Details: Mattel reported quarterly losses of 5 cents per share which beat the analyst consensus estimate of losses of 12 cents per share. Quarterly sales came in at $810 million, missing the analyst consensus estimate of $831.8 million by 2.62% and representing a 0.56% decrease in sales year-over-year. “We are off to a good start ...