Note 9 - Preferred Stock

Series A Preferred Stock ("Series A Stock") is convertible to common stock at a ratio of 8.33 shares of common stock for each share of Series A Stock, and votes together with the common stock on an as-if-converted basis. The Series A Stock was automatically converted into shares of common stock upon the effectiveness of our reverse stock split in August 2019, except for 208,704 shares which were subject to a limitation on the number of shares of common stock that can be held by the holder of those shares of Series A Stock. Shares outstanding totaled 158,704 at July 31, 2021, and were converted into 1,321,996 shares of common stock on August 10, 2021.

Series B Preferred Stock ("Series B Stock") is convertible into common stock at a ratio of 0.8334 shares of common stock for each share of Series B Stock held and votes together with the common stock on an as-if-converted basis. Shares outstanding at July 31, 2021 totaled 986,676 which are convertible into 822,230 shares of common stock.