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Leases (Tables)
6 Months Ended
Jan. 31, 2021
Disclosure Text Block [Abstract]  
Schedule of supplemental disclosures related to the Company's operating leases
  

Three Months Ended
January 31,

  

Six Months Ended
January 31,

 
  

2021

  

2020

  

2021

  

2020 

 
   (in thousands) 
Operating lease cost  $697   $712   $1,425   $1,423 
Short-term lease cost   130    75    195    133 
Total lease cost  $827   $787   $1,620   $1,556 
                     
Cash paid for amounts included in the measurement of lease liabilities:                    
Operating cash flows from operating leases  $672   $685   $1,382   $1,369 

 

Schedule of supplemental disclosures related weighted average operating leases
  

January 31,
2021

  

July 31,
2020

 
Weighted-average remaining lease term-operating leases  3.7 years   4.2 years 
Weighted-average discount rate-operating leases  2.9%  3.12%

Schedule of aggregate operating lease liability
  

January 31,
2021

  

July 31,
2020

 
   (in thousands) 
Operating lease liabilities included in “Other current liabilities”  $2,537   $2,350 
Operating lease liabilities included in noncurrent liabilities   6,514    7,353 
Total  $9,051   $9,703 

  

Schedule of future minimum maturities of operating lease liabilities
Twelve-month period ending January 31:    
2022  $2,768 
2023   2,526 
2024   1,957 
2025   1,844 
2026   497 
Thereafter    
 
Total lease payments    9,592 
Less imputed interest    (541)
Total operating lease liabilities   $9,051