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Other Operating Expense, Net (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
May 10, 2023
May 08, 2023
Apr. 30, 2023
Apr. 30, 2022
Apr. 30, 2023
Apr. 30, 2022
Estimated fair value of acquisition related contingent consideration liability     $ 216 $ 216
Traditional communications cable telephony customer indemnification claim     3,912 $ 33 3,925 $ 68
Indemnification Agreement [Member]            
Traditional communications cable telephony customer indemnification claim   $ 3,900        
Traditional communications cable telephony customer indemnification claim, paid $ 1,900          
Traditional communications cable telephony customer indemnification claim, reminder $ 400          
Traditional Communications Segment [Member]            
Estimated fair value of acquisition related contingent consideration liability     $ 200   $ 200