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Commitments and Contingencies (Details Narrative) - USD ($)
$ in Millions
Jan. 31, 2022
Jul. 31, 2021
Loss Contingencies [Line Items]    
Accrued Liabilities $ 37.6 $ 38.3
Purchase Obligation 4.5  
Performance bonds outstanding 22.1  
Federal Telecommunications Relay Services Fund [Member]    
Loss Contingencies [Line Items]    
Loss Contingency, Estimate of Possible Loss 2.9  
Universal Service Fund [Member]    
Loss Contingencies [Line Items]    
Loss Contingency, Estimate of Possible Loss $ 1.8