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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Retained Earnings [Member]
Total
Balances (in shares) at Oct. 31, 2018 7,694,387    
Balances at Oct. 31, 2018 $ 13,816,140 $ 12,994,697 $ 26,810,837
Adoption of accounting standard ASU 2018-07 $ 0 61,763 61,763
Share-based compensation, net (in shares) 257,222    
Share-based compensation, net $ (66,327) 0 (66,327)
Net loss $ 0 (3,310,020) (3,310,020)
Share-based compensation, net (in shares) (257,222)    
Repurchase and retirement of common stock (at cost) (in shares) (258)    
Repurchase and retirement of common stock (at cost) $ 0 (1,257) (1,257)
Balances (in shares) at Jan. 31, 2019 7,436,907    
Balances at Jan. 31, 2019 $ 13,749,813 9,745,183 23,494,996
Balances (in shares) at Oct. 31, 2018 7,694,387    
Balances at Oct. 31, 2018 $ 13,816,140 12,994,697 26,810,837
Net loss     (5,012,739)
Balances (in shares) at Jul. 31, 2019 7,459,056    
Balances at Jul. 31, 2019 $ 13,814,038 8,042,388 21,856,426
Balances (in shares) at Jan. 31, 2019 7,436,907    
Balances at Jan. 31, 2019 $ 13,749,813 9,745,183 23,494,996
Share-based compensation, net (in shares) (23,628)    
Share-based compensation, net $ 27,169 0 27,169
Net loss $ 0 (617,425) (617,425)
Share-based compensation, net (in shares) 23,628    
Balances (in shares) at Apr. 30, 2019 7,460,535    
Balances at Apr. 30, 2019 $ 13,776,982 9,127,758 22,904,740
Share-based compensation, net (in shares) 1,461    
Share-based compensation, net $ 37,056 0 37,056
Net loss $ 0 (1,085,294) (1,085,294)
Share-based compensation, net (in shares) (1,461)    
Repurchase and retirement of common stock (at cost) (in shares) (18)    
Repurchase and retirement of common stock (at cost) $ 0 (76) (76)
Balances (in shares) at Jul. 31, 2019 7,459,056    
Balances at Jul. 31, 2019 $ 13,814,038 8,042,388 21,856,426
Balances (in shares) at Oct. 31, 2019 7,458,981    
Balances at Oct. 31, 2019 $ 13,853,334 7,385,566 21,238,900
Adoption of accounting standard ASU 2018-07 $ 6,554 (6,554) 0
Share-based compensation, net (in shares) (2,909)    
Share-based compensation, net $ 34,356 0 34,356
Net loss $ 0 (2,591,888) (2,591,888)
Share-based compensation, net (in shares) 2,909    
Balances (in shares) at Jan. 31, 2020 7,456,072    
Balances at Jan. 31, 2020 $ 13,894,244 4,787,124 18,681,368
Balances (in shares) at Oct. 31, 2019 7,458,981    
Balances at Oct. 31, 2019 $ 13,853,334 7,385,566 21,238,900
Net loss     (5,714,899)
Balances (in shares) at Jul. 31, 2020 7,537,087    
Balances at Jul. 31, 2020 $ 13,961,526 1,664,113 15,625,639
Balances (in shares) at Jan. 31, 2020 7,456,072    
Balances at Jan. 31, 2020 $ 13,894,244 4,787,124 18,681,368
Share-based compensation, net 26,677 0 26,677
Net loss $ 0 (1,689,181) (1,689,181)
Balances (in shares) at Apr. 30, 2020 7,456,072    
Balances at Apr. 30, 2020 $ 13,920,921 3,097,943 17,018,864
Share-based compensation, net (in shares) 81,015    
Share-based compensation, net $ 40,605 0 40,605
Net loss $ 0 (1,433,830) (1,433,830)
Share-based compensation, net (in shares) (81,015)    
Balances (in shares) at Jul. 31, 2020 7,537,087    
Balances at Jul. 31, 2020 $ 13,961,526 $ 1,664,113 $ 15,625,639