What kind of amp do I need for a U-B ukulele?

I'm kinda new to the whole electric instruments thing... I play the ukulele. I have a soprano and a concert. I'm in love with the ukulele.. well basically anything with four strings. Which includes the b. I've wanted to learn the b FOREVER but I'm really too cheap and me being a few years under the legal working age, I cannot get a job. But anyway... the U-Bass is a good quality ukulele and bass and it's cheaper than buying the real deal. Plus... ukulele's are HOT! So, again... I have no idea what kind of amp I would need and I don't know if there really is any special kind of amp I would need. But yeah... soo... if you can help... that's great.. and thanks for helping :D