CRGS Historical Short Volume Data (reported by Finra)
Date -- Volume -- Short Volume -- % of Volume Shorted
8/18/17 -- 1,000 -- NA -- NA
8/17/17 -- 8,985 -- 4,800 -- 53.42%
8/16/17 -- 18,000 -- NA -- NA
8/15/17 -- 27,727 -- 12,225 -- 44.09%
8/14/17 -- 22,500 -- NA -- NA
NA = Not available.
Missing data will be provided if and when available. I don't know what's causing the missing data. I wonder if market makers are not cooperating.