In Ohio, regardless if you are employed or not, you are always financially owed since he stopped paying. (ie, if he is ordered to pay $200/month, he would be behind at least $400 since December). The way CSEA works is that once you are 60 days without a payment, they send you a letter giving you 30 days to make 1 payment. If your ex husband makes 1 payment (ie, he is supposed to pay $50/week), then the CSEA will un suspend his license. Of course, then he has to pay to have his license reinstated. The system is honestly a joke. I mean, I'm grateful for a system, but it's all about paperwork. You can always take him to court for contempt for failure to pay court ordered support & a magistrate can order him to pay 'x' amount of money in 'x' amount of time. It seems like a lot, and sometimes it is, but no matter what, each parent, regardless of who has full time/part time custody, is still financially responsible for their children. I would keep on CSEA as much as you can or your case could easily 'slip' through their cracks.
Good Luck!