Huge. Only 32.7 million retail float. This thing could explode big time with any substantial buying pressure. 7 patents in the pocket. Excellent board members and the ticker was trading at $1.79 for a 52 week high without the recent patents approval. Weeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee!!! FLOAT 32.7 MILLION SHARES $IRNC$ Disclosure: all imho only, do your own DD.