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Note 8 - Property and Equipment, Net
 9 Months Ended
Jun. 30, 2021
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]

8. PROPERTY AND EQUIPMENT, NET

 

Property and equipment, net consisted of the following:

 

   

June 30,

    

September 30,

  
   

2021

    

2020

  

Office furniture and equipment

   $ 1,241     $ 1,181  

Machinery and equipment

     1,248       1,184  

Leasehold improvements

     2,155       2,056  

Construction in progress

     29       8  

Property and equipment, gross

     4,673       4,429  

Accumulated depreciation

     (2,837 )     (2,499 )

Property and equipment, net

   $ 1,836     $ 1,930  

 

Depreciation expense was $106 and $131 for the three months ended June 30, 2021, and 2020, respectively. Depreciation expense was $306 and $397 for the nine months ended June 30, 2021, and 2020, respectively.