CRGS Historical Short Volume Data (reported by Finra)
Source: otcshortreport.com
Date -- Volume -- Short Volume -- % of Volume Shorted
5/19/17 -- 21,774 -- 7,974 -- 36.62%
5/18/17 -- 19,300 -- 5,250 -- 27.20%
5/17/17 -- 3,155 -- 3,155 -- 100.00%
5/16/17 -- 1,250 -- 1,250 -- 100.00%
5/15/17 -- 0 -- 0 -- 0%