Can 'hoverboards' float above rising concerns?

Sales of self-balancing electric scooters are outpacing the current supply, but safety fears - including being a potential fire hazard - may prevent the product from reaching lift off.

Riding a "hoverboard" will zip you around town and make you the coolest person in the neighborhood. But it might also be risky.

These self-balancing electric scooters are surging in popularity in the first season where they have been available at relatively affordable prices - as low as $300 for some models.