There are lots of different ways. Find out what your organization accepts. You may even be able to petition them for something you’ve already taken.
You can get them right here through IDEA. Or through other well known organizations.
ACE has lots of CE options. http://spartatraining.com/blog/product/ace-continuing-education-courses/
NASM Continuting education courses. http://bit.ly/2cVcd40
Or specialty things.
You can find TRX educational courses here. http://bit.ly/2cZMsTX
Just to name a few. Hope some of that helps.