What is the maximum sentence for faliure to appeare to court in michigan?

I have a currently have a warrant for my arrest in gladwin michigan for a use of marijuana charge and now live in south cariolina i am wondering if by me failing to appeare to the court dates set up for my warrant because my adress is still in mi and all my mail goes to michigan so im unaware if ive had any court dates but if i did miss court can they tack on extra charges and if so what would be the maximum penelty