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Note C - Property and Equipment (Tables)
9 Months Ended
Mar. 31, 2019
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
Depreciable Life
In Years
   
March 31,
2019
   
June 30,
2018
 
Land
 
 
 
NA
 
    $
1,200
    $
1,200
 
Building and building improvements
   
7
39
     
3,730
     
3,721
 
Machinery and equipment
   
3
12
     
30,263
     
28,185
 
Office equipment and furniture
   
3
5
     
5,039
     
4,883
 
Vehicles
   
 
3
 
     
314
     
209
 
Leasehold improvements
   
1
15
     
17,025
     
15,688
 
Total property and equipment
   
 
 
 
     
57,571
     
53,886
 
Less: accumulated depreciation and amortization
   
 
 
 
     
(36,689
)
   
(34,596
)
Property and equipment, net
   
 
 
 
    $
20,882
    $
19,290