Previous two reverse-splits were 1 for 30 and 1 for 15... both in 2017!!! Likely shares will continue declining until the RS and then trade in the neighborhood of a nickel or a dime... briefly. As you can see from the long-term chart, RNVA rarely rises.
1 for 30 reverse split 2/23/2017 1 for 15 reverse split 10/6/2017 ? for ? .reverse split... ?/?/2018
All told this will be RS number six since 2006, as I recall.