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Consolidated Statements of Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Oct. 31, 2020 9,814,118      
Balance at Oct. 31, 2020 $ 98,000 $ 22,946,000 $ 9,020,000 $ 32,064,000
Exercise of stock options (in shares) 195,528     195,528
Exercise of stock options $ 2,000 603,000   $ 605,000
Stock-based compensation expense   769,000   769,000
Issuance of restricted stock (in shares) 56,941      
Issuance of restricted stock $ 1,000      
Issuance of restricted stock   (1,000)    
Forfeiture of restricted stock (in shares) (5,182)      
Tax withholding related to vesting of restricted stock (in shares) (2,834)      
Tax withholding related to vesting of restricted stock   (16,000)   (16,000)
Net income (loss)     6,181,000 6,181,000
Balance (in shares) at Oct. 31, 2021 10,058,571      
Balance at Oct. 31, 2021 $ 101,000 24,301,000 15,201,000 $ 39,603,000
Exercise of stock options (in shares) 60,854     60,854
Exercise of stock options $ 1,000 149,000   $ 150,000
Stock-based compensation expense   689,000   689,000
Issuance of restricted stock (in shares) 77,091      
Tax withholding related to vesting of restricted stock (in shares) (3,229)      
Tax withholding related to vesting of restricted stock   (21,000)   (21,000)
Net income (loss)     1,448,000 1,448,000
Balance (in shares) at Oct. 31, 2022 10,193,287      
Balance at Oct. 31, 2022 $ 102,000 $ 25,118,000 $ 16,649,000 $ 41,869,000