I am glad you like to use FINRA data. as you can see ANDI had substantial Short volume on the days you indicated. Short volume can be for a number of reasons one being the infamous T-Trades , those trades posted to the tape after market close thus showed to be short volume.
Now Trades have the Day of the trade plus 2 more to settle before they become Short Interest(now NSS is not short interest nor is it short volume)
Anyway FINRA keeps track of these trades as you show and twice per month they put out the total number of short interest for all the pre4viouis tradding days records
Currently the Short interest(short positions) show to be 325,159 shares Now this is shares short not NSS the current NSS(Fail To Deliver is listed as
Significant Failures to Deliver No
So FINRA says no NSS and only 325,159 shares short interest over all of ANDI past trading history as of 04/30/2018
So no naked short, no short squeeze
I would assume you will cease in posting all this misinformation that may well cause new investors to buy assuming a big short squeeze is coming now that you have been given the facts