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Note C - Property and Equipment (Tables)
9 Months Ended
Mar. 31, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
Depreciable Life
In Years
   
March 31,
2021
   
June 30,
2020
 
Land
 
NA
    $
1,200
    $
1,200
 
Building and building improvements
 
7
39
     
3,748
     
3,743
 
Machinery and equipment
 
3
12
     
36,830
     
33,405
 
Office equipment and furniture
 
3
5
     
5,564
     
5,318
 
Vehicles
 
 
3
 
     
255
     
255
 
Leasehold improvements
 
1
15
     
18,207
     
18,031
 
Total property and equipment
 
 
 
 
     
65,804
     
61,952
 
Less: accumulated depreciation and amortization
 
 
 
 
     
(43,348
)
   
(40,429
)
Property and equipment, net
 
 
 
 
    $
22,456
    $
21,523