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Consolidated Statements of Stockholders’ Equity - USD ($)
$ in Thousands
Class A
Common Stock
Class B
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Treasury Stock
Total
Balance at Jul. 31, 2019 $ 5 $ 99 $ 23,131 $ (985) $ (15,243) $ (47) $ 6,960
Balance (in Shares) at Jul. 31, 2019 525,000 9,876,000          
Net proceeds from sales of Class B Common Stock $ 17 2,092 2,109
Net proceeds from sales of Class B Common Stock (in Shares)   1,734,000          
Exercise of stock options $ 1 11 12
Exercise of stock options (in Shares)   86,000          
Stock-based compensation $ 1 450 451
Stock-based compensation (in Shares)   66,000          
Stock issued for matching contributions to the 401(k) Plan   41 41
Stock issued for matching contributions to the 401(k) Plan (in Shares)   26,000          
Purchase of treasury stock (29) (29)
Foreign currency translation adjustment (100) (100)
Net income (loss) (559) (559)
Balance at Jul. 31, 2020 $ 5 $ 118 25,725 (1,085) (15,802) (76) 8,885
Balance (in Shares) at Jul. 31, 2020 525,000 11,788,000          
Net proceeds from sales of Class B Common Stock $ 14 14,421 14,435
Net proceeds from sales of Class B Common Stock (in Shares)   1,426,000          
Exercise of stock options $ 6 867 873
Exercise of stock options (in Shares)   560,000          
Stock-based compensation $ 1 612 613
Stock-based compensation (in Shares)   142,000          
Stock issued for matching contributions to the 401(k) Plan 39 39
Stock issued for matching contributions to the 401(k) Plan (in Shares)   7,000          
Purchase of treasury stock (26) (26)
Foreign currency translation adjustment 88 88
Net income (loss) 8,248 8,248
Balance at Jul. 31, 2021 $ 5 $ 139 $ 41,664 $ (997) $ (7,554) $ (102) $ 33,155
Balance (in Shares) at Jul. 31, 2021 525,000 13,923,000