They can only do this if they win the lawsuit and get a judgment but you should consider fighting it and working out a payment plan. The amount of the claim can double in just a few years and a small balance could mushroom into a big problem. Also, it sounds like you are still in business. With a judgment, creditors can interfere with your business and cause problems. Also you will likely not be able to obtain any future business loans if a judgment is out there. You should try to prevent a judgment if at all possible.
My comments are not legal advice and are for informational purposes only.