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Note 10 - Accrued and Other Liabilities (Tables)
9 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
  

June 30,

  

September 30,

 
  

2022

  

2021

 

Payroll and related

 $2,756  $3,726 

Deferred revenue

  1,078   1,120 

Customer deposits

  6,903   8,701 

Accrued contract costs

  932   416 

Warranty reserve

  158   146 

Other

  -   2 

Total

 $11,827  $14,111 
Other Noncurrent Liabilities [Table Text Block]
  

June 30,

  

September 30,

 
  

2022

  

2021

 

Deferred extended warranty revenue

 $262  $308 

Asset purchase holdback liability

  713   687 

Total

 $975  $995 
Schedule of Product Warranty Liability [Table Text Block]
  

June 30,

  

September 30,

 
  

2022

  

2021

 

Beginning balance

 $146  $126 

Warranty provision

  38   56 

Warranty settlements

  (26)  (36)

Ending balance

 $158  $146